Hide incoming/outgoing widget if authorization failed
Additional information added if invalid command appeared during password handle. (sometimes null utf symbol occurred instead of getpass command)
more information provided if invalid command appeared during password handle.
avoid launching too many threads during events update / ensure contentless indices is up to date in ensureUpToDate as some indices are dependent on contentless indices
Enable test
choose by name: isWritable is meaningless; check canceled in later runnables, cleanup