Support user-generated RFQ on `tchrpc.SendPayment` #3532

Job	Run time
Compilation check	1m 34s
Compilation check	1m 34s
Docker build check	3m 36s
Docker build check	3m 36s
Format check	28s
Format check	28s
cross compilation	11m 40s
cross compilation	11m 40s
run itests	11m 21s
run itests	11m 21s
run itests postgres	20m 12s
run itests postgres	20m 12s
Lint check	2m 33s
Lint check	2m 33s
migration version check	12s
migration version check	12s
go mod check	22s
go mod check	22s
RPC check	1m 9s
RPC check	1m 9s
run LiT tests	9m 52s
run LiT tests	14m 15s
sample configuration check	41s
sample configuration check	41s
Sqlc check	28s
Sqlc check	28s
test vector check	53s
test vector check	53s
run unit tests (unit-race)	11m 16s
run unit tests (unit-race)	11m 16s
run unit tests (unit-cover)	4m 35s
run unit tests (unit-cover)	4m 35s
run unit tests (unit dbbackend=postgres)	6m 2s
run unit tests (unit dbbackend=postgres)	6m 2s
finish	5s
finish	5s
	2h 58m 21s

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