lint: Fix warnings about incomaptible function signatures

include/class.dynamic_forms.php

include/class.forms.php

include/class.search.php

include/client/edit.inc.php

include/client/open.inc.php

include/client/profile.inc.php

include/client/register.inc.php

include/staff/templates/org-lookup.tmpl.php

include/staff/templates/user-lookup.tmpl.php

include/staff/ticket-edit.inc.php