refactor: add parent

Author: eddyerburgh

src/wrappers/vue-wrapper.js

@@ -39,7 +39,7 @@ export default class VueWrapper extends Wrapper implements BaseWrapper {
       set: () => {}
     }))
     this.vm = vm
-    this.parent = vm.$parent  
+    this.parent = vm.$parent
     this.isVueComponent = true
     this._emitted = vm.__emitted
     this._emittedByOrder = vm.__emittedByOrder