Also fixup some layout issues in filter management

View new task in the context of ticket view.

Remove manual roll-up on tickets page since it's auto-added.

Add danger to delete actions.

Revert this commit once fixed.

Support edit/update of dynamic data

* Preserve external storage flag on field configuration
* User gridlayout to render task's forms
* Use new roles for task's nav

Credit: Jared Hancock <jared@osticket.com>

Fixup IE and firefox rendering issues