fix for horizontal bar while login in (#8073)

Fix for #8071

---------

Co-authored-by: martmull <martmull@hotmail.fr>

packages/twenty-front/src/modules/auth/sign-in-up/components/SignInUpForm.tsx

@@ -188,7 +188,9 @@ export const SignInUpForm = () => {
           </>
         )}
 
-        <HorizontalSeparator visible={true} />
+        {(authProviders.google ||
+          authProviders.microsoft ||
+          authProviders.sso) && <HorizontalSeparator visible />}
 
         {authProviders.password &&
           (signInUpStep === SignInUpStep.Password ||