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.Client/Strip/StrippableSystem.cs

@@ -35,7 +35,7 @@ public sealed class StrippableSystem : SharedStrippableSystem
         if (!TryComp(uid, out UserInterfaceComponent? uiComp))
             return;
 
-        foreach (var ui in uiComp.OpenInterfaces.Values)
+        foreach (var ui in uiComp.ClientOpenInterfaces.Values)
         {
             if (ui is StrippableBoundUserInterface stripUi)
                 stripUi.DirtyMenu();