feat: 🎸 show copyable error details in error page

addons/core/translations/actions/en-us.yaml

@@ -16,6 +16,7 @@ back: Back
 retry: Retry
 get-topic-help: Get help for this topic
 copy-to-clipboard: Copy to Clipboard
+copy-error-detail-to-clipboard: Copy Error Detail to Clipboard
 authenticate: Authenticate
 deauthenticate: Deauthenticate
 choose-org: Choose Scope

ui/admin/app/routes/authentication-error.js

@@ -1,3 +1,12 @@
 import Route from '@ember/routing/route';
 
-export default class AuthenticationErrorRoute extends Route {}
+export default class AuthenticationErrorRoute extends Route {
+  // =methods
+
+  /**
+   * @return {string}
+   */
+  model() {
+    return window.location.toString();
+  }
+}

ui/admin/app/templates/authentication-error.hbs

@@ -7,6 +7,14 @@
       @heading={{t "auth.titles.flow-error"}}
     >
       {{t "auth.descriptions.flow-error"}}
+      <br>
+      <Copyable
+        @text={{@model}}
+        @buttonText={{t "actions.copy-error-detail-to-clipboard"}}
+        @acknowledgeText={{t "states.copied"}}
+      >
+        {{t "actions.copy-error-detail-to-clipboard"}}
+      </Copyable>
     </Rose::Notification>
   </Rose::Layout::Centered>
 </main>