terminal: allow lnd GetState RPC on Wallet Ready

Author: ViktorT-11

terminal.go

@@ -233,8 +233,14 @@ func (g *LightningTerminal) Run() error {
 		return fmt.Errorf("could not create permissions manager")
 	}
 
+	lndOverrideMap := map[string]func() bool{
+		"/lnrpc.State/GetState": func() bool {
+			return g.walletReady
+		},
+	}
+
 	// Register LND, LiT and Accounts with the status manager.
-	g.statusMgr.RegisterAndEnableSubServer(subservers.LND, nil)
+	g.statusMgr.RegisterAndEnableSubServer(subservers.LND, lndOverrideMap)
 	g.statusMgr.RegisterAndEnableSubServer(subservers.LIT, nil)
 	g.statusMgr.RegisterSubServer(subservers.ACCOUNTS, nil)