Enforce system wide sso providers (#9058)

We have recently introduced the possibility to specify workspace
specific auth providers.
I'm:
- introducing system wide auth providers (provided by clientConfig)
- making sure workspace specific auth providers belong to system wide
auth providers set

packages/twenty-front/src/testing/mock-data/config.ts

@@ -1,10 +1,17 @@
-import { ClientConfig } from '~/generated-metadata/graphql';
-import { CaptchaDriverType } from '~/generated/graphql';
+import { CaptchaDriverType, ClientConfig } from '~/generated/graphql';
 
 export const mockedClientConfig: ClientConfig = {
   signInPrefilled: true,
   isMultiWorkspaceEnabled: false,
   isSSOEnabled: false,
+  authProviders: {
+    google: true,
+    magicLink: false,
+    password: true,
+    microsoft: false,
+    sso: [],
+    __typename: 'AuthProviders',
+  },
   frontDomain: 'localhost',
   defaultSubdomain: 'app',
   chromeExtensionId: 'MOCKED_EXTENSION_ID',