refactor: improve router type safety and usage

- Add explicit Router type imports across views
- Replace $router type casting with proper typing
- Use $router.back() instead of $router.go(-1) for consistency
- Add proper route and router typings to components
- Clean up router navigation methods
- Fix router push/back method calls

This commit improves type safety and consistency in router usage across
the application's view components.

src/views/InviteOneView.vue

@@ -132,6 +132,7 @@
 import axios from "axios";
 import { Component, Vue } from "vue-facing-decorator";
 import { useClipboard } from "@vueuse/core";
+import { Router } from "vue-router";
 
 import ContactNameDialog from "../components/ContactNameDialog.vue";
 import QuickNav from "../components/QuickNav.vue";
@@ -156,6 +157,7 @@ interface Invite {
 })
 export default class InviteOneView extends Vue {
   $notify!: (notification: NotificationIface, timeout?: number) => void;
+  $router!: Router;
 
   invites: Invite[] = [];
   activeDid: string = "";