Resolve #3413567 "Create a source"

Closes #3413567

src/Plugin/ProjectBrowserSource/DrupalCore.php

@@ -151,9 +151,7 @@ class DrupalCore extends ProjectBrowserSourceBase implements ContainerFactoryPlu
       }
     }
     $project_count = count($projects);
-    if (!empty($query['page']) && !empty($query['limit'])) {
-      $projects = array_chunk($projects, $query['limit'])[$query['page']] ?? [];
-    }
+    $projects = $this->paginate($projects, $query['page'] ?? 0, $query['limit'] ?? 12);
     return new ProjectsResultsPage($project_count, array_values($projects), (string) $this->getPluginDefinition()['label'], $this->getPluginId(), FALSE);
   }