SharedVector: use const generics for array conversion #13767

Job	Run time
cpp_cmake (ubuntu-22.04)	6m 7s
cpp_test_driver (ubuntu-22.04)	6m 17s
cpp_cmake (macos-12)	14m 51s
build_and_test (ubuntu-22.04, stable)	10m 16s
cpp_test_driver (macos-12)	7m 40s
android	3m 9s
cpp_cmake (windows-2022)	7m 56s
cpp_test_driver (windows-2022)	8m 21s
build_and_test (ubuntu-22.04, 1.70)	11m 28s
build_and_test (macos-11, stable)	28m 10s
build_and_test (windows-2022, stable)	22m 50s
esp-idf	25m 57s
ffi_32bit_build	4m 36s
fmt_test	3m 17s
build_and_test (windows-2022, 1.70)	23m 27s
build_and_test (windows-2022, beta, --exclude ffmpeg --exclude gstreamer-player)	21m 52s
mcu (pico-st7789, thumbv6m-none-eabi)	1m 16s
mcu_esp	2m 30s
mcu (stm32h735g, thumbv7em-none-eabihf)	1m 14s
node_test (ubuntu-22.04)	2m 45s
python_test (ubuntu-22.04)	2m 24s
node_test (macos-11)	19m 26s
tree-sitter	9s
python_test (macos-11)	2m 10s
uefi-demo	41s
node_test (windows-2022)	15m 32s
python_test (windows-2022)	1m 56s
updater_test (0.3.0)	1m 14s
docs / docs	5m 57s
wasm / wasm	3m 29s
wasm_demo / wasm_demo	13m 28s
wasm / build-slintpad	51s
wasm / lint-slintpad	46s
cpp_package_test	2m 11s
	4h 44m 13s

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