Refactor #3832 - For TreeSelect

components/lib/treeselect/TreeSelect.vue

@@ -340,9 +340,9 @@ export default {
                 this.outsideClickListener = (event) => {
                     if (this.overlayVisible && !this.selfClick && this.isOutsideClicked(event)) {
                         this.hide();
+                    }
 
                     this.selfClick = false;
-                    }
                 };
 
                 document.addEventListener('click', this.outsideClickListener);