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/Store/Systems/StoreSystem.cs

@@ -199,10 +199,9 @@ public sealed partial class StoreSystem : EntitySystem
         if (component.Balance == new Dictionary<string, FixedPoint2>() && preset.InitialBalance != null) //if we don't have a value stored, use the preset
             TryAddCurrency(preset.InitialBalance, uid, component);
 
-        var ui = _ui.GetUiOrNull(uid, StoreUiKey.Key);
-        if (ui != null)
+        if (_ui.HasUi(uid, StoreUiKey.Key))
         {
-            _ui.SetUiState(ui, new StoreInitializeState(preset.StoreName));
+            _ui.SetUiState(uid, StoreUiKey.Key, new StoreInitializeState(preset.StoreName));
         }
     }
 }