Remote provisioning: consolidate resource operations (#102972)

* Move to new repository

* Rename it to dual writer

* Rename the function

* Rename the methods

* Rename to exportResource

* Clean up logic in migrate and add TODOs

* Add TODOs

* Use generic client for unprovisioned

* ForEachResource

* More consolidation

* Refactor more around client

* Consolidate constants

* ForEachFolder

* More use of constants

* Add FIXME notes

* Use more constant

* Remove Dashboard

* Pass tree to folder manager

* Replicate tree

* Reduce export complexity

* More refactoring

* Use the ForEach for loading users

* Limit in-memory folders

* Isolate the object

* Improve the export function

* Move resources to resources package

* Move delete operation

* Move more logic

* More consolidation

* More renaming

* Fix more issues

* Ensure path exists when created a resource

* Simply append error

* Fix receiver lint issue

* Fix cyclomatic complexity

* Fix linting

* Remove folder path creation

pkg/registry/apis/provisioning/request.go

@@ -29,6 +29,7 @@ func readBody(r *http.Request, maxSize int64) ([]byte, error) {
 		}
 		return nil, fmt.Errorf("error reading request body: %w", err)
 	}
+	defer func() { _ = limitedBody.Close() }()
 
 	return body, nil
 }