Setting `TypeRegister::enable_experimental` on the start of `compile_syntax_node()` #19143

Job	Run time
mcu_esp	3m 51s
mcu (pico-st7789, thumbv6m-none-eabi)	1m 14s
cpp_cmake (macos-14, 1.77)	8m 54s
mcu (pico2-st7789, thumbv8m.main-none-eabihf)	1m 25s
build_and_test (ubuntu-22.04, 1.77)	12m 54s
cpp_cmake (windows-2022, nightly)	9m 20s
build_and_test (macos-14, stable)	13m 11s
node_test (ubuntu-22.04)	5m 12s
cpp_cmake (ubuntu-22.04, stable)	7m 38s
node_test (macos-14)	6m 32s
build_and_test (windows-2022, stable)	13m 3s
mcu (stm32h735g, thumbv7em-none-eabihf)	1m 21s
node_test (windows-2022)	7m 4s
build_and_test (windows-2022, 1.77)	13m 2s
vsce_build_test	7m 4s
build_and_test (windows-2022, beta, --exclude ffmpeg --exclude gstreamer-player)	13m 3s
build_and_test (ubuntu-22.04, nightly)	13m 10s
cpp_test_driver (ubuntu-22.04)	8m 27s
cpp_test_driver (macos-13)	8m 31s
esp-idf-quick	9m 17s
ffi_32bit_build	1m 58s
cpp_test_driver (windows-2022)	9m 18s
fmt_test	2m 39s
updater_test (0.3.0)	2m 27s
android	3m 55s
miri	1m 2s
python_test (ubuntu-22.04)	2m 41s
python_test (macos-14)	2m 0s
python_test (windows-2022)	4m 5s
docs / docs	15m 43s
tree-sitter / tree-sitter-tests	13s
wasm / wasm	5m 59s
wasm_demo / wasm_demo	3m 59s
cpp_package_test	2m 17s
wasm / build-slintpad	1m 47s
	3h 44m 16s

Provide feedback