fix(): add loader on signup (#12714)

Fix #12713

packages/twenty-front/src/modules/auth/hooks/useAuth.ts

@@ -464,7 +464,7 @@ export const useAuth = () => {
 
   const handleCredentialsSignUp = useCallback(
     async (email: string, password: string, captchaToken?: string) => {
-      signUp({
+      return signUp({
         variables: { email, password, captchaToken },
         onCompleted: async (data) => {
           handleSetAuthTokens(data.signUp.tokens);

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

@@ -260,7 +260,9 @@ export const SignInUpGlobalScopeForm = () => {
                 />
               )}
               <MainButton
-                disabled={isRequestingCaptchaToken}
+                disabled={
+                  isRequestingCaptchaToken || form.formState.isSubmitting
+                }
                 title={
                   signInUpStep === SignInUpStep.Password
                     ? signInUpMode === SignInUpMode.SignIn