Fix unsigned integer conversion #4424

Job	Run time
clang-format	19s
linux_clang-14_cuda-11.2_debug_analysis	18m 57s
windows_cl-2022_debug_analysis	28m 26s
macos_xcode-14.2_debug_analysis	28m 35s
linux_gcc-12_debug_analysis	15m 42s
macos_xcode-13.2.1_debug	19m 43s
macos_xcode-14.2_release	25m 41s
macos_xcode-14.3.1_debug	12m 43s
windows_cl-2022_release	30m 27s
windows_cl-2022_debug	17m 48s
linux_gcc-9_debug	19m 17s
linux_gcc-12_release_c++20	17m 45s
linux_gcc-13_debug	15m 24s
linux_clang-9_debug	7m 19s
linux_clang-10_release	11m 14s
linux_clang-12_release	44m 15s
linux_clang-13_debug	7m 56s
linux_clang-16_debug_ubsan	13m 21s
linux_clang-16_debug_tsan	14m 45s
	5h 49m 37s

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