fix: validate_scope should allow all scopes when no restriction #1338

Job	Run time
checks / readme-snippets	14s
checks / pre-commit	16s
checks / test (3.11, locked, ubuntu-latest)	43s
checks / test (3.11, locked, windows-latest)	2m 12s
checks / test (3.12, lowest-direct, ubuntu-latest)	50s
checks / test (3.11, lowest-direct, windows-latest)	2m 26s
checks / test (3.10, lowest-direct, windows-latest)	2m 13s
checks / test (3.12, lowest-direct, windows-latest)	3m 35s
checks / test (3.13, lowest-direct, windows-latest)	2m 40s
checks / test (3.13, locked, windows-latest)	2m 36s
checks / test (3.10, locked, ubuntu-latest)	44s
checks / test (3.12, locked, windows-latest)	3m 19s
checks / test (3.10, lowest-direct, ubuntu-latest)	44s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 13s
checks / test (3.12, locked, ubuntu-latest)	46s
checks / test (3.10, locked, windows-latest)	2m 10s
checks / test (3.11, lowest-direct, ubuntu-latest)	45s
checks / test (3.13, lowest-direct, ubuntu-latest)	43s
checks / test (3.14, locked, ubuntu-latest)	2m 15s
checks / test (3.14, locked, windows-latest)	3m 16s
checks / test (3.14, lowest-direct, windows-latest)	2m 45s
checks / test (3.13, locked, ubuntu-latest)	40s
all-green	5s
	37m 10s

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