feat(*): allow to select auth providers + add multiworkspace with subdomain management (#8656)

## Summary
Add support for multi-workspace feature and adjust configurations and
states accordingly.
- Introduced new state isMultiWorkspaceEnabledState.
- Updated ClientConfigProviderEffect component to handle
multi-workspace.
- Modified GraphQL schema and queries to include multi-workspace related
configurations.
- Adjusted server environment variables and their respective
documentation to support multi-workspace toggle.
- Updated server-side logic to handle new multi-workspace configurations
and conditions.

packages/twenty-front/src/modules/auth/sign-in-up/hooks/useSSO.ts

@@ -3,9 +3,7 @@
 import { SnackBarVariant } from '@/ui/feedback/snack-bar-manager/components/SnackBar';
 import { useSnackBar } from '@/ui/feedback/snack-bar-manager/hooks/useSnackBar';
 import {
-  FindAvailableSsoIdentityProvidersMutationVariables,
   GetAuthorizationUrlMutationVariables,
-  useFindAvailableSsoIdentityProvidersMutation,
   useGetAuthorizationUrlMutation,
 } from '~/generated/graphql';
 import { isDefined } from '~/utils/isDefined';
@@ -13,20 +11,8 @@ import { isDefined } from '~/utils/isDefined';
 export const useSSO = () => {
   const { enqueueSnackBar } = useSnackBar();
 
-  const [findAvailableSSOProviderByEmailMutation] =
-    useFindAvailableSsoIdentityProvidersMutation();
   const [getAuthorizationUrlMutation] = useGetAuthorizationUrlMutation();
 
-  const findAvailableSSOProviderByEmail = async ({
-    email,
-  }: FindAvailableSsoIdentityProvidersMutationVariables['input']) => {
-    return await findAvailableSSOProviderByEmailMutation({
-      variables: {
-        input: { email },
-      },
-    });
-  };
-
   const getAuthorizationUrlForSSO = async ({
     identityProviderId,
   }: GetAuthorizationUrlMutationVariables['input']) => {
@@ -63,6 +49,5 @@ export const useSSO = () => {
   return {
     redirectToSSOLoginPage,
     getAuthorizationUrlForSSO,
-    findAvailableSSOProviderByEmail,
   };
 };