Fix TryGetActionData error triggering when run on deleting entities (#27839)

* Fix TryGetActionData error triggering when run on deleting entities

* Only get metadata once

Content.Shared/Actions/SharedActionsSystem.cs

@@ -112,7 +112,7 @@ public abstract class SharedActionsSystem : EntitySystem
         bool logError = true)
     {
         result = null;
-        if (!Exists(uid))
+        if (uid == null || TerminatingOrDeleted(uid.Value))
             return false;
 
         var ev = new GetActionDataEvent();