Fix error with select initial state

src/keycloak-theme/login/pages/shared/UserProfileFormFields.tsx

@@ -98,11 +98,14 @@ export function UserProfileFormFields(props: UserProfileFormFieldsProps) {
                                                 }
                                                 value={value}
                                             >
+                                                <>
+                                                    <option value="" selected disabled hidden>Select an option</option>
                                                     {options.options.map(option => (
                                                         <option key={option} value={option}>
                                                             {option}
                                                         </option>
                                                     ))}
+                                                </>
                                             </select>
                                         );
                                     }