Vector: use global channel_index if provided #607

Job	Run time
docs	1m 31s
static-code-analysis	1m 0s
build	34s
format	29s
test (ubuntu-latest, false, 3.8)	2m 54s
test (ubuntu-latest, false, 3.9)	3m 18s
test (ubuntu-latest, false, 3.10)	3m 15s
test (ubuntu-latest, false, 3.11)	2m 57s
test (ubuntu-latest, false, 3.12)	3m 52s
test (ubuntu-latest, false, pypy-3.8)	5m 2s
test (ubuntu-latest, false, pypy-3.9)	4m 33s
test (macos-latest, false, 3.8)	2m 3s
test (macos-latest, false, 3.9)	1m 48s
test (macos-latest, false, 3.10)	2m 6s
test (macos-latest, false, 3.11)	4m 5s
test (macos-latest, false, 3.12)	3m 36s
test (macos-latest, false, pypy-3.8)	6m 7s
test (macos-latest, false, pypy-3.9)	3m 41s
test (windows-latest, false, 3.8)	2m 15s
test (windows-latest, false, 3.9)	2m 34s
test (windows-latest, false, 3.10)	3m 14s
test (windows-latest, false, 3.11)	2m 40s
test (windows-latest, false, 3.12)	4m 37s
test (windows-latest, false, pypy-3.8)	6m 48s
test (windows-latest, false, pypy-3.9)	8m 54s
upload_pypi	0s
coveralls	9s
	1h 24m 2s

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