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/users/graphql/fragments/userQueryFragment.ts

@@ -32,6 +32,10 @@ export const USER_QUERY_FRAGMENT = gql`
       allowImpersonation
       activationStatus
       isPublicInviteLinkEnabled
+      isGoogleAuthEnabled
+      isMicrosoftAuthEnabled
+      isPasswordAuthEnabled
+      subdomain
       hasValidEntrepriseKey
       featureFlags {
         id
@@ -53,6 +57,7 @@ export const USER_QUERY_FRAGMENT = gql`
         logo
         displayName
         domainName
+        subdomain
       }
     }
     userVars