Make copy-constructible classes copyable #20424

Job	Run time
build_cmake (ubuntu:25.10, true, true)	5m 17s
build_make (alpine:3.23)	5m 56s
build_cmake (alpine:3.23, false, false)	4m 34s
build_make (ubuntu:24.04)	4m 44s
build_make (ubuntu:25.10)	5m 25s
build_cmake (ubuntu:24.04, true, true)	4m 4s
	30m 0s

Provide feedback