This addresses an issue where searching for a Task by title returns all
Tasks in the search. This is due to the visibility filtering methods used to
filter tickets by staff's visibility.

This addresses an issue where it appeared as though tasks could not be assigned to teams if an agent in the team was not a part of the task's department. The assigment was actually taking place, however, it was not showing up in the Assignee column. Now the form will correctly display the column

This addresses an issue introduced with `9ab2317e` where the icon for the
event still shows even though we continued and didn’t return the event
description.

This addresses an issue where osTicket did not ensure associated items exist
before saving to the database. This also addresses an issue where the Parent
Topic error was not displayed on page.

It may be possible to steal or manipulate customer session and cookies,
which might be used to impersonate a legitimate user, allowing the hacker to
view or alter user records, and to perform transactions as that user.
Sanitation of hazardous characters was not performed correctly on user
input.

osTicket did not properly sanitize array values in `Format::htmlchars()`.
Some values in the Admin Interface were not properly sanitized and returned
to the response.

This addresses issue 4325 where the Language Pack Locales are mismatched.
The Locale for the first language is displayed on the second language,
etc. This updates the `$manifest` variable to be set before we display
data so the correct `MANIFEST` file is included and all language data is
displayed correctly.

This addresses an issue where osTicket did not ensure associated items exist
before saving to the database. This also addresses an issue where the Parent
Topic error was not displayed on page.

It may be possible to steal or manipulate customer session and cookies,
which might be used to impersonate a legitimate user, allowing the hacker to
view or alter user records, and to perform transactions as that user.
Sanitation of hazardous characters was not performed correctly on user
input.

osTicket did not properly sanitize array values in `Format::htmlchars()`.
Some values in the Admin Interface were not properly sanitized and returned
to the response.

This addresses issue 4325 where the Language Pack Locales are mismatched.
The Locale for the first language is displayed on the second language,
etc. This updates the `$manifest` variable to be set before we display
data so the correct `MANIFEST` file is included and all language data is
displayed correctly.

Don't display the Close Task option if the current user can't close it...

This addresses a vulnerability where there was no `X-Frame-Options` header
which could potentially allow click jacking. This adds the
`X-Frame-Options: SAMEORIGIN` header so it will remove any chance of click
jacking. According to Mozilla Developer Docs:
```
SAMEORIGIN
The page can only be displayed in a frame on the same origin as the page
itself.
```

This addresses an issue on the forums where the query to determine the
size of the `file_chunk` table is making the page load really slow for
people with large tables. This updates the query to improve the
performance of the page load time.

This addresses an issue where the User’s account status is always 'Active'
in the Organization list no matter what their actual status is. This adds the
account status to the user query which adds the correct status to the Users’
account.

This addresses an issue on the forums where the query to determine the
size of the `file_chunk` table is making the page load really slow for
people with large tables. This updates the query to improve the
performance of the page load time.

This addresses a vulnerability where there was no `X-Frame-Options` header
which could potentially allow click jacking. This adds the
`X-Frame-Options: SAMEORIGIN` header so it will remove any chance of click
jacking. According to Mozilla Developer Docs:
```
SAMEORIGIN
The page can only be displayed in a frame on the same origin as the page
itself.
```

This addresses an issue where the User’s account status is always 'Active'
in the Organization list no matter what their actual status is. This adds the
account status to the user query which adds the correct status to the Users’
account.

This addresses an issue where the CSRF Token is displayed in the URL
when you preform a search in the Users Tab. This removes the token from the
request which removes it from the URL.

This addresses a vulnerability where an Agent can perform XSS via the
Agent Directory’s REQUEST query string. This sanitizes the request params
so the code will be escaped and not executed in the browser.

Don't display the Close Task option if the current user can't close it...

This addresses issue 3782 where clicking Print on a Task gives you a blank
popup that hangs. This is because the Print button was being treated as a
Task action when it is actually not one. This adds a ternary operator to
give the proper Task Actions the `task-action` class and gives the Print
button no class.

This addresses issue 3815 where searching by User's phone number doesn't
work in v1.10. This adds phone number search capabilities for the User
Directory and User Search popup in v1.10.

Fixes syntax error introduced with commit 71a6b2a0 & 6e0ddf2e

Changes 'Permisions' to the correct spelling 'Permissions'.

Display Loading Overlay when posting a response or a note to a ticket.

* HTTP Option: TRUSTED_PROXIES (default: <none>
To support running osTicket installation on a web servers that sit behind a
load balancer, HTTP cache, or other intermediary (reverse) proxy; it's
necessary to define trusted proxies to protect against forged http headers.

* HTTP Option: LOCAL_NETWORKS (default: 127.0.0.0/24)
When running osTicket as part of a cluster it might become necessary to
white list local/virtual networks that can bypass some authentication
checks.

* Validate CLIENT_IP to make sure it's a valid IP address.

Encode html chars on helpdesk title

Use class instead of id on form element that triggers overlay on submit.

Account for agents' name format setting when sorting agents.

Fixes #3194

This is important to show custom statuses with properties.

Add a preview tool tip to show list item properties on mouse-over.