move push notification setup out of an App.vue Notification and into a component

src/components/OfferDialog.vue

@@ -91,8 +91,8 @@ import { retrieveSettingsForActiveAccount } from "@/db/index";
 export default class OfferDialog extends Vue {
   $notify!: (notification: NotificationIface, timeout?: number) => void;
 
-  @Prop projectId?;
-  @Prop projectName?;
+  @Prop projectId?: string;
+  @Prop projectName?: string;
 
   activeDid = "";
   apiServer = "";