feat: option to pre-fill login credentials automatically (#3021)

Co-authored-by: Dan Ribbens <dan.ribbens@gmail.com>

src/admin/components/utilities/Auth/index.tsx

@@ -144,7 +144,7 @@ export const AuthProvider: React.FC<{ children: React.ReactNode }> = ({ children
             setUser(json.user);
           } else if (json?.token) {
             setToken(json.token);
-          } else if (autoLogin) {
+          } else if (autoLogin && autoLogin.prefillOnly !== true) {
             // auto log-in with the provided autoLogin credentials. This is used in dev mode
             // so you don't have to log in over and over again
             const autoLoginResult = await requests.post(`${serverURL}${api}/${userSlug}/login`, {

src/admin/components/views/Login/index.tsx

@@ -26,6 +26,7 @@ const Login: React.FC = () => {
     admin: {
       user: userSlug,
       logoutRoute,
+      autoLogin,
       components: {
         beforeLogin,
         afterLogin,
@@ -103,6 +104,10 @@ const Login: React.FC = () => {
               onSuccess={onSuccess}
               method="post"
               action={`${serverURL}${api}/${userSlug}/login`}
+              initialData={{
+                email: autoLogin && autoLogin.prefillOnly ? autoLogin.email : undefined,
+                password: autoLogin && autoLogin.prefillOnly ? autoLogin.password : undefined,
+              }}
             >
               <FormLoadingOverlayToggle
                 action="loading"