[Feature]: Persist imported Mission Control Data across restarts #14795

Job	Run time
lint code	3m 16s
check commits	5m 11s
cross compilation	9m 31s
check pinned dependencies (google.golang.org/grpc v1.59.0)	9s
check pinned dependencies (github.com/golang/protobuf v1.5.3)	4s
run macOS itest	39m 50s
check release notes updated	4s
RPC and mobile compilation check	6m 2s
sample configuration check	29s
Sqlc check	5m 20s
run ubuntu itests (btcd, backend=btcd cover=1)	24m 14s
run unit tests (btcd unit-cover)	7m 29s
run ubuntu itests (bitcoind, backend=bitcoind cover=1)	30m 51s
run windows itest	36m 13s
run unit tests (unit tags="kvdb_etcd")	18m 23s
run ubuntu itests (bitcoind-notxindex, backend="bitcoind notxindex")	31m 33s
run ubuntu itests (bitcoind-rpcpolling, backend="bitcoind rpcpolling" cover=1)	31m 1s
run unit tests (unit tags="kvdb_postgres")	17m 39s
run unit tests (unit tags="kvdb_sqlite")	16m 9s
run ubuntu itests (bitcoind-etcd, backend=bitcoind dbbackend=etcd)	41m 39s
run ubuntu itests (bitcoind-postgres, backend=bitcoind dbbackend=postgres)	57m 27s
run unit tests (btcd unit-race)	34m 34s
run unit tests (unit-module)	51s
run ubuntu itests (bitcoind-sqlite, backend=bitcoind dbbackend=sqlite)	32m 44s
run ubuntu itests (bitcoind-postgres-nativesql, backend=bitcoind dbbackend=postgres nativesql=true)	57m 52s
run ubuntu itests (bitcoind-sqlite-nativesql, backend=bitcoind dbbackend=sqlite nativesql=true)	33m 46s
run ubuntu itests (neutrino, backend=neutrino cover=1)	31m 2s
finish	6s
	9h 33m 29s

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