LPS-45746 Add missed language key
LPS-45746 Lang keys
Revert "LPS-45768 Language keys of chat portlet are not loaded"

This reverts commit 75f45f6d05639c61062fb369bad5eaa339fc1498.
SOS-2156 Incompatible javascript was accidentally backported in "SOS-2156 Adjust UI display"
SOS-2156 - Source formatting