fix: validate_scope should allow all scopes when no restriction #1325

Job	Run time
checks / readme-snippets	14s
checks / pre-commit	18s
checks / test (3.11, lowest-direct, windows-latest)	2m 36s
checks / test (3.10, locked, ubuntu-latest)	44s
checks / test (3.10, locked, windows-latest)	2m 18s
checks / test (3.10, lowest-direct, windows-latest)	2m 33s
checks / test (3.10, lowest-direct, ubuntu-latest)	48s
checks / test (3.11, locked, windows-latest)	2m 19s
checks / test (3.12, locked, ubuntu-latest)	49s
checks / test (3.12, lowest-direct, ubuntu-latest)	50s
checks / test (3.11, locked, ubuntu-latest)	42s
checks / test (3.11, lowest-direct, ubuntu-latest)	43s
checks / test (3.12, lowest-direct, windows-latest)	3m 33s
checks / test (3.14, locked, ubuntu-latest)	2m 17s
checks / test (3.13, locked, windows-latest)	2m 27s
checks / test (3.13, lowest-direct, ubuntu-latest)	46s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 8s
checks / test (3.12, locked, windows-latest)	3m 28s
checks / test (3.13, lowest-direct, windows-latest)	2m 31s
checks / test (3.14, locked, windows-latest)	3m 35s
checks / test (3.14, lowest-direct, windows-latest)	2m 46s
checks / test (3.13, locked, ubuntu-latest)	43s
all-green	5s
	38m 13s

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