Closes #2143 Loosen `restrict_derivation()` assertion #2438

Job	Run time
Documentation	0s
Validation	0s
Render README	0s
Check / (4.1)	26s
Spelling / Get R version	3s
Check / (4.2)	25s
Check / (4.3)	24s
Lint / Get R version	1s
Code Coverage / Get R version	3s
Code Style / Get R version	1s
Links / Validate Links	6s
Man Pages / Get R version	2s
Lint / Lint	17s
Code Style / Code Style	16s
Man Pages / Roxygen	15s
Spelling / Spellcheck	15s
Code Coverage / Test Coverage	12s
Code Coverage / Generate badge for coverage	1s
	2m 47s

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