RVRNEXT-24 replace id-based search to slug-based for communities

src/Controller/TransactionController.php

@@ -46,8 +46,8 @@ class TransactionController implements IAuthenticationRequired, ISecured
 
     public function authorize(): bool
     {
-        $communityId = \Container::$request->query('communityId');
-        $this->community = $this->communityRepository->getById($communityId);
+        $communitySlug = \Container::$request->query('communitySlug');
+        $this->community = $this->communityRepository->getBySlug($communitySlug);
         if ($this->community === null) {
             return false;
         }