TASK: Load contentGraph once

Author: dlubitz

Classes/ContentRepository/Service/WorkspaceService.php

@@ -52,6 +52,7 @@ class WorkspaceService
     public function getPublishableNodeInfo(WorkspaceName $workspaceName, ContentRepositoryId $contentRepositoryId): array
     {
         $contentRepository = $this->contentRepositoryRegistry->get($contentRepositoryId);
+        $contentGraph = $contentRepository->getContentGraph($workspaceName);
         $pendingChanges = $this->workspacePublishingService->pendingWorkspaceChanges($contentRepositoryId, $workspaceName);
         /** @var array{contextPath:string,documentContextPath:string,typeOfChange:int}[] $unpublishedNodes */
         $unpublishedNodes = [];
@@ -92,7 +93,7 @@ public function getPublishableNodeInfo(WorkspaceName $workspaceName, ContentRepo
                 }
 
                 foreach ($originDimensionSpacePoints as $originDimensionSpacePoint) {
-                    $subgraph = $contentRepository->getContentGraph($workspaceName)->getSubgraph(
+                    $subgraph = $contentGraph->getSubgraph(
                         $originDimensionSpacePoint->toDimensionSpacePoint(),
                         VisibilityConstraints::withoutRestrictions()
                     );