[custom channels]: Fix bandwidth manager and other bugs #3564

Job	Run time
Format check	3m 3s
Format check	3m 3s
cross compilation	5m 16s
cross compilation	5m 16s
Compilation check	54s
Compilation check	54s
Docker build check	3m 50s
Docker build check	3m 50s
run itests	9m 34s
run itests	9m 34s
run itests postgres	18m 10s
run itests postgres	18m 10s
Lint check	2m 51s
Lint check	2m 51s
migration version check	14s
migration version check	14s
go mod check	2m 59s
go mod check	2m 59s
RPC check	1m 9s
RPC check	1m 9s
run LiT tests	3m 46s
run LiT tests	3m 44s
sample configuration check	4m 18s
sample configuration check	4m 18s
Sqlc check	5m 19s
Sqlc check	5m 19s
test vector check	3m 53s
test vector check	3m 53s
run unit tests (unit-race)	11m 17s
run unit tests (unit-race)	11m 17s
run unit tests (unit-cover)	3m 13s
run unit tests (unit-cover)	3m 13s
run unit tests (unit dbbackend=postgres)	6m 11s
run unit tests (unit dbbackend=postgres)	6m 11s
finish	4s
finish	4s
	2h 52m 0s

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