fix(query-builder): drop on new group working again

Author: ivanvpetrov

projects/igniteui-angular/src/lib/query-builder/query-builder-tree.component.ts

@@ -1159,12 +1159,12 @@ export class IgxQueryBuilderTreeComponent implements AfterViewInit, OnDestroy {
 
     public onChipDropped() {
         if (!this.sourceElement || !this.sourceExpressionItem || !this.targetElement) return;
-
-        this.exitEditAddMode();
-
+        
         //console.log('Move: [', this.sourceElement.children[0].textContent.trim(), (this.dropUnder ? '] under: [' : '] over:'), this.targetExpressionItem)
         this.moveDraggedChipToNewLocation(this.targetExpressionItem)
         this.resetDragAndDrop(true);
+        
+        this.exitEditAddMode();
     }