[Grid] Fix conditions of adding actions

Author: NoResponseMate

src/Grid/Checker/ExportableChecker.php

@@ -32,17 +32,17 @@ public function canBeExported(Grid $grid, object|string|null $section): bool
             return false;
         }
 
-        if (null === $section) {
-            return true;
-        }
-
         $resourceAlias = $this->resourceRegistry->getByClass($resourceClass)->getAlias();
 
         $resourceConfig = $this->exportResourcesConfig[$resourceAlias] ?? false;
         if (false === $resourceConfig) {
             return false;
         }
 
+        if (null === $section) {
+            return true;
+        }
+
         foreach ($resourceConfig['sections'] as $configSection) {
             if (is_a($section, $configSection, true) || $section === $configSection) {
                 return true;