remove relative URL references in different target because mobile chokes

src/views/HelpView.vue

@@ -211,7 +211,7 @@
 
       <h2 class="text-xl font-semibold">How do I add someone else?</h2>
       <p>
-        <a href="/help-onboarding" target="_blank" class="text-blue-500">
+        <a :href="APP_SERVER + '/help-onboarding'" target="_blank" class="text-blue-500">
           Use these instructions.
         </a>
         To start scanning, go to the
@@ -579,7 +579,7 @@ import { useClipboard } from "@vueuse/core";
 
 import * as Package from "../../package.json";
 import QuickNav from "../components/QuickNav.vue";
-import { NotificationIface, USE_DEXIE_DB } from "../constants/app";
+import { APP_SERVER, NotificationIface, USE_DEXIE_DB } from "../constants/app";
 import * as databaseUtil from "../db/databaseUtil";
 import {
   retrieveSettingsForActiveAccount,
@@ -601,6 +601,11 @@ export default class HelpView extends Vue {
   showDidCopy = false;
   showVerifiable = false;
 
+  APP_SERVER = APP_SERVER;
+
+  // Ideally, we put no functionality in here, especially in the setup,
+  // because we never want this page to have a chance of throwing an error.
+
   // call fn, copy text to the clipboard, then redo fn after 2 seconds
   doCopyTwoSecRedo(text: string, fn: () => void) {
     fn();