`continueCursor` is `null` when `isDone` is `true`

[rjdellecese]

convex-test/index.ts

Lines 372 to 375 in ff7d4d5

	if (done) {
	isDone = true;
	break;
	}

This is not permitted according to the type of PaginationResult in convex-js.

https://github.com/get-convex/convex-js/blob/533f0705af13fb790be4b58ea10735aa94ee8d7c/src/server/pagination.ts#L40

Unless it should be! In which case this is a convex-js issue.

[rjdellecese]

Oops, this is a dupe of #16