some make_unique conversions #1559

Job	Run time
Linux-Clang11-deps=forcefallback	4m 17s
Linux-GCC9-deps=forcefallback	3m 25s
Linux-Clang11-deps=default	1m 40s
Emscripten	2m 40s
Linux-GCC9-deps=default	1m 40s
Linux-Clang19-deps=forcefallback	4m 19s
Linux-GCC13-deps=forcefallback	3m 39s
Linux-Clang19-deps=default	2m 20s
Linux-GCC13-deps=default	1m 59s
FreeBSD	5m 18s
macOS-deps=enabled	1m 15s
MSYS	2m 32s
macOS-deps=disabled	1m 14s
MSYS2-UCRT64-deps=enabled	5m 1s
MSYS2-CLANG64-deps=enabled	3m 26s
MSYS2-UCRT64-deps=disabled	3m 40s
MSVC-forcefallback-x64	1m 37s
clang-cl-forcefallback	2m 31s
MSYS2-CLANG64-deps=disabled	2m 34s
MSVC-forcefallback-x86	1m 32s
clang-cl-default	2m 17s
MSVC-default-x64	1m 41s
MSVC-default-x86	1m 37s
	1h 2m 14s

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