feat(sso): allow to use OIDC and SAML (#7246)

## What it does
### Backend
- [x] Add a mutation to create OIDC and SAML configuration
- [x] Add a mutation to delete an SSO config
- [x] Add a feature flag to toggle SSO
- [x] Add a mutation to activate/deactivate an SSO config
- [x] Add a mutation to delete an SSO config
- [x] Add strategy to use OIDC or SAML
- [ ] Improve error management

### Frontend
- [x] Add section "security" in settings
- [x] Add page to list SSO configurations
- [x] Add page and forms to create OIDC or SAML configuration
- [x] Add field to "connect with SSO" in the signin/signup process
- [x] Trigger auth when a user switch to a workspace with SSO enable
- [x] Add an option on the security page to activate/deactivate the
global invitation link
- [ ] Add new Icons for SSO Identity Providers (okta, Auth0, Azure,
Microsoft)

---------

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

packages/twenty-front/src/modules/app/components/AppRouter.tsx

@@ -8,6 +8,7 @@ export const AppRouter = () => {
   const billing = useRecoilValue(billingState);
   const isFreeAccessEnabled = useIsFeatureEnabled('IS_FREE_ACCESS_ENABLED');
   const isCRMMigrationEnabled = useIsFeatureEnabled('IS_CRM_MIGRATION_ENABLED');
+  const isSSOEnabled = useIsFeatureEnabled('IS_SSO_ENABLED');
   const isServerlessFunctionSettingsEnabled = useIsFeatureEnabled(
     'IS_FUNCTION_SETTINGS_ENABLED',
   );
@@ -21,6 +22,7 @@ export const AppRouter = () => {
         isBillingPageEnabled,
         isCRMMigrationEnabled,
         isServerlessFunctionSettingsEnabled,
+        isSSOEnabled,
       )}
     />
   );