Add the option on path creator to specify the incoming channel on blinded path #16644

Job	Run time
check commits	10m 12s
check pinned dependencies (google.golang.org/grpc v1.59.0)	3s
lint code	4m 3s
check pinned dependencies (github.com/golang/protobuf v1.5.3)	4s
cross compilation	29m 29s
run macOS itest	29m 31s
check release notes updated	4s
sample configuration check	53s
RPC and mobile compilation check	2m 12s
Sqlc check	2m 57s
run ubuntu itests (btcd, backend=btcd cover=1)	29m 26s
run windows itest	6m 37s
run unit tests (btcd unit-cover)	17m 1s
run ubuntu itests (bitcoind, backend=bitcoind cover=1)	29m 27s
run unit tests (unit tags="kvdb_etcd")	17m 59s
run ubuntu itests (bitcoind-notxindex, backend="bitcoind notxindex")	29m 27s
run unit tests (unit tags="kvdb_postgres")	17m 15s
run ubuntu itests (bitcoind-rpcpolling, backend="bitcoind rpcpolling" cover=1)	29m 26s
run unit tests (unit tags="kvdb_sqlite")	16m 10s
run ubuntu itests (bitcoind-etcd, backend=bitcoind dbbackend=etcd)	29m 33s
run unit tests (btcd unit-race)	29m 24s
run ubuntu itests (bitcoind-postgres, backend=bitcoind dbbackend=postgres)	29m 27s
run unit tests (unit-module)	2m 3s
run ubuntu itests (bitcoind-sqlite, backend=bitcoind dbbackend=sqlite)	29m 27s
run ubuntu itests (bitcoind-postgres-nativesql, backend=bitcoind dbbackend=postgres nativesql=true)	29m 31s
run ubuntu itests (bitcoind-sqlite-nativesql, backend=bitcoind dbbackend=sqlite nativesql=true)	29m 27s
run ubuntu itests (neutrino, backend=neutrino cover=1)	29m 18s
finish	5s
	8h 0m 31s

Provide feedback