No point in double-checking the repo data if readonly, we read it from source every time

Author: DaveCTurner

server/src/main/java/org/elasticsearch/repositories/blobstore/BlobStoreRepository.java

@@ -3574,7 +3574,7 @@ public void verifyMetadataIntegrity(
                     try (var metadataVerifier = new MetadataVerifier(this, request, repositoryData, isCancelledSupplier, l2)) {
                         metadataVerifier.run();
                     }
-                }), () -> getRepositoryData(repositoryData.getGenId())));
+                }), () -> readOnly ? repositoryData : getRepositoryData(repositoryData.getGenId())));
         }));
     }