fix: Respect sort in custom completions (#14424) #4088

Job	Run time
std-lib-and-python-virtualenv (ubuntu-20.04, py)	4m 5s
fmt-clippy (windows-latest)	9m 16s
std-lib-and-python-virtualenv (macos-latest, py)	4m 9s
tests (windows-latest)	15m 18s
fmt-clippy (macos-13)	5m 55s
plugins (windows-latest)	14m 29s
std-lib-and-python-virtualenv (windows-latest, py)	12m 9s
tests (macos-latest)	5m 45s
fmt-clippy (ubuntu-20.04)	3m 0s
plugins (macos-13)	12m 0s
tests (ubuntu-20.04)	6m 11s
plugins (ubuntu-20.04)	5m 34s
	1h 37m 51s

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