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/auth/states/availableWorkspacesForSSO.ts

@@ -0,0 +1,11 @@
+import { createState } from 'twenty-ui';
+import { FindAvailableSsoIdentityProvidersMutationResult } from '~/generated/graphql';
+
+export const availableSSOIdentityProvidersState = createState<
+  NonNullable<
+    FindAvailableSsoIdentityProvidersMutationResult['data']
+  >['findAvailableSSOIdentityProviders']
+>({
+  key: 'availableSSOIdentityProviders',
+  defaultValue: [],
+});

packages/twenty-front/src/modules/auth/states/currentWorkspaceState.ts

@@ -13,6 +13,7 @@ export type CurrentWorkspace = Pick<
   | 'activationStatus'
   | 'currentBillingSubscription'
   | 'workspaceMembersCount'
+  | 'isPublicInviteLinkEnabled'
   | 'metadataVersion'
 >;
 

packages/twenty-front/src/modules/auth/states/signInUpStepState.ts

@@ -0,0 +1,14 @@
+import { createState } from 'twenty-ui';
+
+export enum SignInUpStep {
+  Init = 'init',
+  Email = 'email',
+  Password = 'password',
+  SSOEmail = 'SSOEmail',
+  SSOWorkspaceSelection = 'SSOWorkspaceSelection',
+}
+
+export const signInUpStepState = createState<SignInUpStep>({
+  key: 'signInUpStepState',
+  defaultValue: SignInUpStep.Init,
+});