[BP/46166@trunk][ENH] Add the possibility to filter list with tags + display number of result

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46169 b456876b-0849-0410-b77d-98878d47e9d5
[bp/r46199][FIX]Usability fix based on feedback from training provided to experienced tiki users but newbie tiki admins (the wording might be improved). Thanks ricks99 and and jonnyb for feedback

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46200 b456876b-0849-0410-b77d-98878d47e9d5