consolidate interface and remove copies of code

src/components/OfferDialog.vue

@@ -68,22 +68,17 @@
 
 <script lang="ts">
 import { Vue, Component, Prop } from "vue-facing-decorator";
+
+import { NotificationIface } from "@/constants/app";
 import { createAndSubmitOffer } from "@/libs/endorserServer";
 import * as libsUtil from "@/libs/util";
 import { accountsDB, db } from "@/db/index";
 import { MASTER_SETTINGS_KEY, Settings } from "@/db/tables/settings";
 import { Account } from "@/db/tables/accounts";
 
-interface Notification {
-  group: string;
-  type: string;
-  title: string;
-  text: string;
-}
-
 @Component
 export default class OfferDialog extends Vue {
-  $notify!: (notification: Notification, timeout?: number) => void;
+  $notify!: (notification: NotificationIface, timeout?: number) => void;
 
   @Prop message = "";
   @Prop projectId = "";