some make_unique conversions #1534

Job	Run time
Linux-GCC7-deps=forcefallback	8m 54s
Linux-Clang7-deps=forcefallback	8m 33s
MSVC-forcefallback-x64	5m 6s
Linux-Clang7-deps=default	1m 34s
MSVC-forcefallback-x86	5m 17s
Linux-GCC7-deps=default	1m 21s
Linux-Clang19-deps=forcefallback	9m 33s
Linux-GCC13-deps=forcefallback	9m 35s
MSVC-default-x64	3m 30s
Linux-GCC13-deps=default	2m 21s
MSVC-default-x86	3m 24s
Linux-Clang19-deps=default	2m 25s
clang-cl-forcefallback	6m 26s
clang-cl-default	3m 31s
Emscripten	2m 41s
FreeBSD	4m 18s
macOS-deps=enabled	1m 42s
macOS-deps=disabled	1m 11s
MSYS	2m 36s
MSYS2-UCRT64-deps=enabled	5m 17s
MSYS2-CLANG64-deps=enabled	3m 25s
MSYS2-UCRT64-deps=disabled	3m 43s
MSYS2-CLANG64-deps=disabled	2m 33s
	1h 38m 56s

Provide feedback