fix(group-chats): Fix wrong group name in a subsequent edit attempt

Root cause: the name used as input for the naming edit field was sourced
from the active group entry which is updated only when switching
the active group.

fixes #4910

ui/app/AppLayouts/Chat/popups/GroupInfoPopup.qml

@@ -296,7 +296,7 @@ StatusModal {
 
     RenameGroupPopup {
         id: renameGroupPopup
-        activeChannelName: popup.chatSectionModule.activeItem.name
+        activeChannelName: popup.chatDetails ? popup.chatDetails.name : ""
         onDoRename: {
             popup.chatSectionModule.renameGroupChat(popup.chatSectionModule.activeItem.id, groupName)
             popup.header.title = groupName