[RF] Support for categorical parameters in `codegen` #22985

Job	Run time
Windows 10 x64 Release	36m 54s
Upload Event Payload	5s
mac14 X64 CMAKE_CXX_STANDARD=20	1h 9m 46s
mac-beta ARM64 CMAKE_CXX_STANDARD=23	57m 10s
fedora42 CMAKE_CXX_STANDARD=23	1h 18m 26s
ubuntu2404 CMAKE_BUILD_TYPE=Debug	1h 57m 51s
mac13 ARM64 builtin_zlib=ON	39m 21s
alma10	1h 33m 42s
mac15 ARM64 CMAKE_CXX_STANDARD=23	42m 24s
fedora43 CMAKE_CXX_STANDARD=23	1h 10m 59s
Windows 10 x86 Release	1h 10m 14s
ubuntu22 imt=Off, CMAKE_BUILD_TYPE=Debug	1h 53m 47s
alma9 CMAKE_BUILD_TYPE=Debug	1h 46m 12s
ubuntu2510 CMAKE_CXX_STANDARD=23	1h 33m 21s
alma8	1h 9m 18s
alma10 clang Ninja CMAKE_C_COMPILER=clang, CMAKE_CXX_COMPILER=clang++	1h 1m 0s
alma9 arm64 CMAKE_BUILD_TYPE=RelWithDebInfo, builtin_zlib=ON, builtin_zstd=ON	1h 9m 1s
debian125 CMAKE_CXX_STANDARD=20, dev=ON, CMAKE_CXX_FLAGS=-Wsuggest-override	1h 17m 23s
rawhide Fedora pydebug CMAKE_CXX_STANDARD=23	1h 3m 29s
alma9 march_native CMAKE_BUILD_TYPE=RelWithDebInfo, CMAKE_CXX_FLAGS=-march=native, CMAKE_C_FLAGS=-march=native, builtin_zlib=ON, builtin_zstd=ON	1h 9m 56s
ubuntu2504 CMAKE_CXX_STANDARD=23	1h 25m 48s
alma9 modules_off runtime_cxxmodules=Off	1h 11m 24s
	1d 1h 57m 31s

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