Fix folder indexing
Fix folder indexing

An empty folder was crawled and monitored but never sent to the indexer.
Fixed adding a call to process the item queues after adding a folder.

 Fixes NB#106085, Tracker DB is not updated when images were removed...

hoheinzollern/tracker,outofbits/tracker,outofbits/tracker,outofbits/tracker,outofbits/tracker,outofbits/tracker,hoheinzollern/tracker,hoheinzollern/tracker,outofbits/tracker,hoheinzollern/tracker,hoheinzollern/tracker,hoheinzollern/tracker,hoheinzollern/tracker,outofbits/tracker