feat(auth): enhance SSO handling and workspace auth logic (#9858)

- Return only SSO providers with an `activate` status
- If only 1 SSO provider is enabled for auth, redirect the user to the
provider login page.
- if only SSO auth is available set the step to SSO selection.

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-front/src/modules/workspace/states/workspaceAuthProvidersState.ts

@@ -2,13 +2,7 @@ import { createState } from '@ui/utilities/state/utils/createState';
 
 import { AuthProviders } from '~/generated/graphql';
 
-export const workspaceAuthProvidersState = createState<AuthProviders>({
+export const workspaceAuthProvidersState = createState<AuthProviders | null>({
   key: 'workspaceAuthProvidersState',
-  defaultValue: {
-    google: true,
-    magicLink: false,
-    password: true,
-    microsoft: false,
-    sso: [],
-  },
+  defaultValue: null,
 });