fix: 🐛 OIDC authentications not properly showing username (#2930)

* fix: 🐛 properly show username for oidc auth method in user menu

* test: 💍 fix admin ui tests

* test: 💍 fix desktop ui tests

* refactor: 💡 admin to not store username in authenticated object

* refactor: 💡 use getter in app controller

* test: 💍 POC for how we could update our tests to use auth account

* refactor: 💡 remove unused service

* test: 💍 fix all tests in ui/admin

* test: 💍 revert one change

* refactor: 💡 update ui/desktop w/ feedback + fix tests

* refactor: 💡 add in error handling

* refactor: 💡 cleanup unused service

* test: 💍 fix e2e test selector

✅ Closes: https://hashicorp.atlassian.net/browse/ICU-17231

ui/admin/tests/unit/controllers/scopes/scope/groups/group/add-members-test.js

@@ -37,13 +37,20 @@ module(
       scopes: [{ id: 'global', type: 'global' }],
     };
     hooks.beforeEach(async function () {
-      await authenticateSession({});
       store = this.owner.lookup('service:store');
       controller = this.owner.lookup(
         'controller:scopes/scope/groups/group/add-members',
       );
 
-      instances.scopes.global = this.server.create('scope', { id: 'global' });
+      instances.scopes.global = this.server.create(
+        'scope',
+        { id: 'global' },
+        'withGlobalAuth',
+      );
+      await authenticateSession({
+        isGlobal: true,
+        account_id: this.server.schema.accounts.first().id,
+      });
       instances.scopes.org = this.server.create('scope', {
         type: 'org',
         scope: { id: 'global', type: 'global' },

ui/admin/tests/unit/controllers/scopes/scope/groups/index-test.js

@@ -35,12 +35,19 @@ module('Unit | Controller | scopes/scope/groups/index', function (hooks) {
   };
 
   hooks.beforeEach(async function () {
-    await authenticateSession({});
     intl = this.owner.lookup('service:intl');
     store = this.owner.lookup('service:store');
     controller = this.owner.lookup('controller:scopes/scope/groups/index');
 
-    instances.scopes.global = this.server.create('scope', { id: 'global' });
+    instances.scopes.global = this.server.create(
+      'scope',
+      { id: 'global' },
+      'withGlobalAuth',
+    );
+    await authenticateSession({
+      isGlobal: true,
+      account_id: this.server.schema.accounts.first().id,
+    });
     instances.group = this.server.create('group', {
       scope: instances.scopes.global,
     });