docs(express): updated operationId for walletTxSignTss V2 #1925

Job	Run time
Generate merge base API spec	8m 27s
Generate head API spec	7m 41s
Check specs identical	4s
Check breaking changes	19s
Generate vacuum reports for API spec	13s
API Spec Check	4s
Linter Override	0s
	16m 48s

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