Adding functionality to unlock single Ticket
No message when no auto response destination.

When notication is disable by NoAutoRegExp for example
@AutoReplyAddresses can be empty. No message will be sent but an article
will be create.

HereAutoReplyAddresses is test for empty value before sending email
preventing any new article to be created when no AutoReplyAddresses
exist.

May be this feature should be done in ArticleSend. I don't know.
Optimize various operations in the ArticleStorage backends

this disables the fallback from DB to FS backend, and the other way round.
Only enabled again in TicketArticleStorageSwitch
config option Ticket::StorageModule::CheckAllBackends

for setups where not all attachements are either in the database or the file system
check for definedness and use default values to avoid unitialized warnings
AgentTicketZoom: Exit loop early when article was found
Fixed minor return values issue.
Fixed: Unable to search using before/after in Date Dynamic Fields (bug#10140).
Fixed JSON encoding function to handle empty strings too.
Synchronized TT files.
Avoid unneeded Output() calls.
Fixed Datepicker handling.
Avoid unneeded Output() calls.
Avoid unneeded Output() calls.
Avoid unneeded Output() calls.
Fixed POD.
Merge branch 'master' into feature-tt-mg-master
Fixed POD.
Fixed bug#10112 - Management Dashboard: strings not translatable.
Updated Hebrew translation, thanks to Amir Elion.