fixed issue where modulestate was being modified and not treated as a readonly cache

Oqtane.Client/Themes/Controls/ModuleTitle.razor

@@ -1,4 +1,4 @@
-@namespace Oqtane.Themes.Controls
+@namespace Oqtane.Themes.Controls
 @inherits ContainerBase      
 @attribute [OqtaneIgnore]
 
@@ -17,6 +17,13 @@
         {
             title = PageState.Action;
         }
+        else
+        {
+            if (!string.IsNullOrEmpty(ModuleState.ControlTitle))
+            {
+                title = ModuleState.ControlTitle;
+            }
+        }
         return Task.CompletedTask;
     }
 }