Cleanup CssRuleView

packages/core/src/css_composer/view/CssRuleView.ts

@@ -21,6 +21,7 @@ export default class CssRuleView extends View<CssRule> {
 
   remove() {
     super.remove();
+    this.model.removeView(this);
     return this;
   }
 

packages/core/src/domain_abstract/model/StyleableModel.ts

@@ -175,9 +175,12 @@ export default class StyleableModel<T extends ObjectHash = any> extends Model<T>
 
   setView(view: StyleableView) {
     let { views } = this;
-    if (!views.includes(view)) {
+    !views.includes(view) && views.push(view);
-      views.push(view);
+  }
-    }
+
+  removeView(view: StyleableView) {
+    const { views } = this;
+    views.splice(views.indexOf(view), 1);
   }
 
   updateView() {