feat(sdk-core): add explicit recipient mode typing for TSS signTxRequest #2286

Job	Run time
Generate head API spec	7m 53s
Generate merge base API spec	8m 24s
Check specs identical	7s
Check breaking changes	-1s
Generate vacuum reports for API spec	-1s
Linter Override	0s
API Spec Check	3s
	16m 25s

Provide feedback