Fix Metadata delegation in DelegatingMcpServerTool/Prompt/Resource #2170

Job	Run time
build (windows-latest, Debug)	11m 25s
build (windows-latest, Release)	11m 36s
build (ubuntu-latest, Debug)	7m 1s
build (ubuntu-latest, Release)	6m 47s
build (macos-latest, Debug)	5m 1s
build (macos-latest, Release)	5m 12s
publish-coverage / publish-coverage	1m 6s
	48m 8s

Provide feedback