funding+server: don't use wallet DB for channel operations

Since the actual wallet backends might be different between the wallet
DB and the actual channel state DB, we pass in the correct struct to the
funding manager.

funding/manager_test.go

@@ -432,6 +432,7 @@ func createTestFundingManager(t *testing.T, privKey *btcec.PrivateKey,
 		IDKeyLoc:     testKeyLoc,
 		Wallet:       lnw,
 		Notifier:     chainNotifier,
+		ChannelDB:    cdb,
 		FeeEstimator: estimator,
 		SignMessage: func(_ keychain.KeyLocator,
 			_ []byte, _ bool) (*ecdsa.Signature, error) {
@@ -601,6 +602,7 @@ func recreateAliceFundingManager(t *testing.T, alice *testNode) {
 		IDKeyLoc:     oldCfg.IDKeyLoc,
 		Wallet:       oldCfg.Wallet,
 		Notifier:     oldCfg.Notifier,
+		ChannelDB:    oldCfg.ChannelDB,
 		FeeEstimator: oldCfg.FeeEstimator,
 		SignMessage: func(_ keychain.KeyLocator,
 			_ []byte, _ bool) (*ecdsa.Signature, error) {