Fix dispatch call in angular master

Also remove the unnecessary service registration in angular module.

Author: eneufeld

packages/angular-material/src/other/master-detail/master.ts

@@ -159,9 +159,8 @@ export class MasterListComponent extends JsonFormsArrayControl {
 
  ngOnInit() {
  super.ngOnInit();
- const { addItem, removeItems } = mapDispatchToArrayControlProps(
- this.jsonFormsService.updateCore
- );
+ const dispatch = this.jsonFormsService.updateCore.bind(this.jsonFormsService);
+ const { addItem, removeItems } = mapDispatchToArrayControlProps(dispatch);
  this.addItem = addItem;
  this.removeItems = removeItems;
  }

packages/angular/src/jsonforms.module.ts

@@ -26,11 +26,9 @@ import { NgModule } from '@angular/core';
 
 import { JsonFormsOutlet } from './jsonforms.component';
 import { UnknownRenderer } from './unknown.component';
-import { JsonFormsAngularService } from './jsonforms.service';
 @NgModule({
  declarations: [JsonFormsOutlet, UnknownRenderer],
  entryComponents: [UnknownRenderer],
- exports: [JsonFormsOutlet],
- providers: [JsonFormsAngularService]
+ exports: [JsonFormsOutlet]
 })
 export class JsonFormsModule {}