[TASK] Replace old fe_users icon with new one

Change path of fe_users icon in TCA to same as in page tree.
See Edit page > Behaviour > Contains plugin

Resolves: #27955
Releases: master, 6.2
Change-Id: Ib2c91ad279249c9ab6a71d23f7c9afca140cc2ec
Reviewed-on: http://review.typo3.org/33556
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>