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/pages/settings/SettingsWorkspaceMembers.tsx

@@ -148,17 +148,18 @@ export const SettingsWorkspaceMembers = () => {
       ]}
     >
       <SettingsPageContainer>
-        {currentWorkspace?.inviteHash && (
-          <Section>
-            <H2Title
-              title="Invite by link"
-              description="Share this link to invite users to join your workspace"
-            />
-            <WorkspaceInviteLink
-              inviteLink={`${window.location.origin}/invite/${currentWorkspace?.inviteHash}`}
-            />
-          </Section>
-        )}
+        {currentWorkspace?.inviteHash &&
+          currentWorkspace?.isPublicInviteLinkEnabled && (
+            <Section>
+              <H2Title
+                title="Invite by link"
+                description="Share this link to invite users to join your workspace"
+              />
+              <WorkspaceInviteLink
+                inviteLink={`${window.location.origin}/invite/${currentWorkspace?.inviteHash}`}
+              />
+            </Section>
+          )}
         <Section>
           <H2Title
             title="Members"