tabs: uncommenting the insertChild method (#176)

Author: shubhamzanwar

src/components/Tab/RNTab.ts

@@ -56,11 +56,10 @@ export class RNTab extends QTabWidget implements RNComponent {
     if (!(child instanceof RNTabItem)) {
       throw new Error("Children of tab should be of type TabItem");
     }
-    // uncomment below code after new release of nodegui containing insertTab
-    // const index = this.indexOf(beforeChild.actualTabWidget as NodeWidget<any>);
-    // this.insertTab(index, child.actualTabWidget, new QIcon(), "");
-    // child.parentTab = this;
-    // setTabItemProps(child, this, child.initialProps, {});
+    const index = this.indexOf(beforeChild.actualTabWidget as NodeWidget<any>);
+    this.insertTab(index, child.actualTabWidget as NodeWidget<any>, new QIcon(), "");
+    child.parentTab = this;
+    setTabItemProps(child, this, child.initialProps, {});
   }
   removeChild(child: RNTabItem): void {
     const childIndex = this.indexOf(child.actualTabWidget as NodeWidget<any>);