Use more efficient copy method for clipboard service

Author: lkleisa

Diff for: frontend/app/services/clipboard-service.js

@@ -2,16 +2,6 @@ import Service from "@ember/service";
 
 export default class ClipboardService extends Service {
   copy(text) {
-    // Copying to clipboard is not possible in another way. Even libraries do it with a fake element.
-    // We don't use the addon ember-cli-clipboard, as we need to wait for a async call to finish.
-    const fakeEl = document.createElement("textarea");
-    fakeEl.value = text;
-    fakeEl.setAttribute("readonly", "");
-    fakeEl.style.position = "absolute";
-    fakeEl.style.left = "-9999px";
-    document.body.appendChild(fakeEl);
-    fakeEl.select();
-    document.execCommand("copy");
-    document.body.removeChild(fakeEl);
+    navigator.clipboard.writeText(text);
   }
 }