message: fix(modal): added import strategy for lazy modules
diff: @@ -23,4 +23,10 @@ export class ModalModule {
  providers: [BsModalService, ComponentLoaderFactory, PositioningService]
  };
  }
  + static forChild(): ModuleWithProviders {
  + return {
  + ngModule: ModalModule,
  + providers: [BsModalService, ComponentLoaderFactory, PositioningService]
  + };
  + }
  }
  