heal: Dangling check to evaluate object parts separately (#19797)

internal/grid/handlers.go

@@ -112,6 +112,7 @@ const (
 	HandlerListBuckets
 	HandlerRenameDataInline
 	HandlerRenameData2
+	HandlerCheckParts2
 
 	// Add more above here ^^^
 	// If all handlers are used, the type of Handler can be changed.
@@ -192,6 +193,7 @@ var handlerPrefixes = [handlerLast]string{
 	HandlerListBuckets:                 peerPrefixS3,
 	HandlerRenameDataInline:            storagePrefix,
 	HandlerRenameData2:                 storagePrefix,
+	HandlerCheckParts2:                 storagePrefix,
 }
 
 const (