Fix a crash in the units view #3170

Job	Run time
fedora	0s
nix	0s
freebsd	0s
clang-format Code Formatter	5m 9s
Snap Package	0s
Additional compile flags in Ubuntu	7m 38s
macOS	6m 30s
WebAssembly	0s
Ubuntu (ubuntu-22.04, gcc)	5m 55s
Ubuntu (ubuntu-22.04, gcc, Release)	6m 30s
Windows MSYS2 (gcc)	11m 46s
Windows Clang	0s
Ubuntu (ubuntu-22.04, gcc, Debug)	6m 42s
Ubuntu (ubuntu-22.04, gcc, RelWithDebInfo)	7m 34s
Ubuntu (ubuntu-22.04, clang)	5m 58s
Ubuntu (ubuntu-22.04, clang, Release)	6m 27s
Ubuntu (ubuntu-22.04, clang, Debug)	6m 40s
	1h 16m 49s

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