Content update for UI prediction (#27214)

* Content update for UI refactor

* Big update

* Sharing

* Remaining content updates

* First big update

* Prototype updates

* AUGH

* Fix UI comp ref

* Cleanup

- Fix predicted message, fix item slots, fix interaction range check.

* Fix regressions

* Make this predictive

idk why it wasn't.

* Fix slime merge

* Merge conflict

* Fix merge

Content.Server/Labels/Label/HandLabelerSystem.cs

@@ -90,7 +90,7 @@ namespace Content.Server.Labels
 
         private void OnHandLabelerLabelChanged(EntityUid uid, HandLabelerComponent handLabeler, HandLabelerLabelChangedMessage args)
         {
-            if (args.Session.AttachedEntity is not {Valid: true} player)
+            if (args.Actor is not {Valid: true} player)
                 return;
 
             var label = args.Label.Trim();
@@ -109,7 +109,7 @@ namespace Content.Server.Labels
             if (!Resolve(uid, ref handLabeler))
                 return;
 
-            _userInterfaceSystem.TrySetUiState(uid, HandLabelerUiKey.Key,
+            _userInterfaceSystem.SetUiState(uid, HandLabelerUiKey.Key,
                 new HandLabelerBoundUserInterfaceState(handLabeler.AssignedLabel));
         }
     }