XX-10781: LDAP search filter limited to 256 characters

-remove 256 length filter limitation from both UI and DB
-filter is now a text area field instead of text input
-remove .jwc entry for filter, add it in html only
-replace e.getCause().getMessage() with e.getMessage() when throwing UserException
because e.getCause() might return null
XX-10781: LDAP search filter limited to 256 characters

-remove 256 length filter limitation from both UI and DB
-filter is now a text area field instead of text input
-remove .jwc entry for filter, add it in html only
-replace e.getCause().getMessage() with e.getMessage() when throwing UserException
because e.getCause() might return null
new name for db patch