[TASK] Shows owner instead of upload account

* Shows image of owner if uploaded
* Uses t3o_userimage view helper
* Changes owner repository to t3o_ajaxlogin

Get the newest t3o_ajaxlogin revision for tests

Resolves: #56551

Change-Id: I70c2ecf58dba9e0a820a85d836b7b19e209e39d6
Reviewed-on: https://review.typo3.org/28761
Reviewed-by: Philipp Gampe
Reviewed-by: Thomas Loeffler
Tested-by: Thomas Loeffler