Restore MCP security guards settings UI #25

Job	Run time
test (windows-latest)	15m 9s
lint	3m 50s
test (ubuntu-latest)	3m 50s
build (macos-latest, aarch64-apple-darwin, default)	22m 29s
build (windows-latest, x86_64-pc-windows-msvc, default)	26m 31s
build (ubuntu-22.04-arm, aarch64-unknown-linux-musl, default)	6m 7s
build (ubuntu-latest, x86_64-unknown-linux-musl, jemalloc)	5m 59s
	1h 23m 55s

Provide feedback