feat: batch manager protection + react challenge modal + eslint fix

app/assets/javascripts/views/abstract/pure_view_ctrl.ts

@@ -77,10 +77,15 @@ export class PureViewCtrl<P = CtrlProps, S = CtrlState> {
          */
         this.state = Object.freeze(Object.assign({}, this.state, state));
         resolve();
+        this.afterStateChange();
       });
     });
   }
 
+  /** @override */
+  afterStateChange() {
+  }
+
   /** @returns a promise that resolves after the UI has been updated. */
   flushUI() {
     return this.$timeout();