tapchannel: send+recv chunks of the input proof to stay under max msg limit #3615

Job	Run time
Format check	22s
Compilation check	1m 59s
cross compilation	5m 8s
Docker build check	3m 46s
run itests	9m 28s
run itests postgres	17m 38s
Lint check	3m 40s
migration version check	11s
go mod check	21s
RPC check	1m 19s
run LiT tests	10m 29s
sample configuration check	45s
Sqlc check	28s
test vector check	59s
run unit tests (unit-race)	11m 39s
run unit tests (unit-cover)	4m 55s
run unit tests (unit dbbackend=postgres)	4m 35s
finish	3s
	1h 17m 45s

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