[SR-13671] Sema: default `@differentiable` attribute's derivative generic signature to the original declaration's generic signature

[dan-zheng]

Previous ID	SR-13671
Radar	None
Original Reporter	@dan-zheng
Type	Sub-task
Status	Closed
Resolution	Done

Additional Detail from JIRA

Votes	0
Component/s
Labels	Sub-task
Assignee	@marcrasi
Priority	Medium

md5: 5d6eb68033c68ad2ca3bfccfc703238e

Parent-Task:

• SR-13659 Retroactive derivative registration

Issue Description:

[marcrasi]

Done in #28735