Added unity editor checks

Author: DerKekser

Assets/Kekser/ComponentSystem/ComponentUI/UIDocumentRenderer.cs

@@ -14,9 +14,13 @@ public abstract class UIDocumentRenderer<TComponent> : MonoBehaviour where TComp
 
         private UIRenderer _renderer;
 
+        // TODO: check if uiDocument is null
+        
         private void CreateRenderer()
         {
+#if UNITY_EDITOR
             _uiDocument.runInEditMode = true;
+#endif
             _uiDocument.rootVisualElement.styleSheets.Clear();
             foreach (var style in _styles)
                 _uiDocument.rootVisualElement.styleSheets.Add(style);
@@ -37,8 +41,10 @@ private void Start()
 
         private void Update()
         {
+#if UNITY_EDITOR
             if (_renderer == null)
                 CreateRenderer();
+#endif
             _renderer.Update();
         }