add connected server to wallet status

lbry/extras/daemon/components.py

@@ -112,7 +112,13 @@ class WalletComponent(Component):
             return
         session_pool = self.wallet_manager.ledger.network.session_pool
         sessions = session_pool.sessions
+        connected = None
+        if self.wallet_manager.ledger.network.client:
+            addr_and_port = self.wallet_manager.ledger.network.client.server_address_and_port
+            if addr_and_port:
+                connected = f"{addr_and_port[0]}:{addr_and_port[1]}"
         result = {
+            'connected': connected,
             'servers': [
                 {
                     'host': session.server[0],

lbry/extras/daemon/daemon.py

@@ -772,6 +772,7 @@ class Daemon(metaclass=JSONRPCServerType):
                     'download_progress': (float) 0-100.0
                 },
                 'wallet': {
+                    'connected': (str) host and port of the connected spv server,
                     'blocks': (int) local blockchain height,
                     'blocks_behind': (int) remote_height - local_height,
                     'best_blockhash': (str) block hash of most recent block,