Remove Matomo and adjust libchat injections into remote app boostrapping

src/app/utils/libchat.ts

@@ -8,15 +8,15 @@ export function injectLibchat() {
         var libchatHash = "1e8f3119e6cff530e0d23e2cb1f2b2a7";
         var div = document.createElement("div");
         div.id = "libchat_" + libchatHash;
-        document.getElementsByTagName("body")[0].appendChild(div);
+        document.body.appendChild(div);
         var scr = document.createElement("script");
         scr.src = "https://libanswers.mit.edu/load_chat.php?hash=" + libchatHash;
         // we added this error handling to the libanswers-provided script for libchat
         scr.onerror = (ev) => {
             console.error('Libchat script failed to load', scr.src, ev);
         };
         setTimeout(function () {
-            document.getElementsByTagName("body")[0].appendChild(scr);
+            document.body.appendChild(scr);
         }, 2000);
     } catch (e) {
         console.error('error injecting libchat', e)

src/bootstrap.ts

@@ -1,19 +1,17 @@
 import "@angular/compiler";
 import { AppModule } from './app/app.module';
 import { bootstrap } from "@angular-architects/module-federation-tools";
-import { injectMatomo } from './app/utils/matomo';
 import { injectLibchat } from "./app/utils/libchat";
 
 export const bootstrapRemoteApp = (bootstrapOptions: any) => {
-  // Keep bootstrap minimal: always inject Matomo from helper.
-  injectMatomo();
-  injectLibchat();
+
 
   return bootstrap(AppModule(bootstrapOptions), {
     production: true,
     appType: 'microfrontend'
   }).then(r => {
     console.log('custom remote app bootstrap success!', r);
+    injectLibchat();
     return r
   });
 }