add sandbox accounts back

Frontend/lib/mih_packages/authentication/signin.dart

@@ -549,9 +549,7 @@ class _SignInState extends State<SignIn> {
 
                             //spacer
                             const SizedBox(height: 35),
-                            Visibility(
+                            Center(
-                              visible: AppEnviroment.getEnv() == "Dev",
-                              child: Center(
                               child: SizedBox(
                                 width: width,
                                 //height: 100.0,
@@ -597,7 +595,6 @@ class _SignInState extends State<SignIn> {
                                 ),
                               ),
                             ),
-                            ),
                             const SizedBox(height: 10),
                             Center(
                               child: Visibility(