Issue #3349663: Error: Call to a member function grantPermission() on null in userprotect_install()

Closes #3349663

userprotect.install

@@ -5,17 +5,24 @@
  * Install, update and uninstall functions for the userprotect module.
  */
 
-use Drupal\Core\Session\AccountInterface;
+use Drupal\user\Entity\Role;
+use Drupal\user\RoleInterface;
 
 /**
  * Implements hook_install().
  *
  * Installs default userprotect permissions for authenticated users.
  */
-function userprotect_install() {
-  $role = \Drupal::entityTypeManager()->getStorage('user_role')->load(AccountInterface::AUTHENTICATED_ROLE);
-  $role->grantPermission('userprotect.mail.edit');
-  $role->grantPermission('userprotect.pass.edit');
-  $role->grantPermission('userprotect.account.edit');
-  $role->save();
+function userprotect_install($is_syncing) {
+  if ($is_syncing) {
+    return;
+  }
+
+  $role = Role::load(RoleInterface::AUTHENTICATED_ID);
+  if ($role instanceof RoleInterface) {
+    $role->grantPermission('userprotect.mail.edit');
+    $role->grantPermission('userprotect.pass.edit');
+    $role->grantPermission('userprotect.account.edit');
+    $role->trustData()->save();
+  }
 }