fix: resource with only Context param incorrectly classified as template #1075

Job	Run time
checks / pre-commit	19s
checks / readme-snippets	14s
checks / test (3.10, lowest-direct, windows-latest)	2m 29s
checks / test (3.10, locked, windows-latest)	2m 15s
checks / test (3.10, locked, ubuntu-latest)	47s
checks / test (3.10, lowest-direct, ubuntu-latest)	46s
checks / test (3.11, lowest-direct, ubuntu-latest)	45s
checks / test (3.11, lowest-direct, windows-latest)	2m 32s
checks / test (3.11, locked, windows-latest)	2m 21s
checks / test (3.12, lowest-direct, windows-latest)	3m 35s
checks / test (3.13, lowest-direct, windows-latest)	2m 34s
checks / test (3.13, locked, ubuntu-latest)	46s
checks / test (3.12, lowest-direct, ubuntu-latest)	54s
checks / test (3.14, locked, ubuntu-latest)	2m 14s
checks / test (3.13, lowest-direct, ubuntu-latest)	51s
checks / test (3.14, locked, windows-latest)	3m 12s
checks / test (3.12, locked, windows-latest)	3m 25s
checks / test (3.11, locked, ubuntu-latest)	47s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 13s
checks / test (3.12, locked, ubuntu-latest)	51s
checks / test (3.14, lowest-direct, windows-latest)	2m 20s
checks / test (3.13, locked, windows-latest)	2m 22s
all-green	5s
	37m 37s

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