daemon: default rpc socktype to "tcp" if `rpcport` is set

Having `rpcport` set already indicates the user does not want unix sockets,
we just default `rpchost` to "localhost".

related https://github.com/spesmilo/electrum/issues/7811

electrum/daemon.py

@@ -67,7 +67,7 @@ def get_rpcsock_defaultpath(config: SimpleConfig):
     return os.path.join(config.path, 'daemon_rpc_socket')
 
 def get_rpcsock_default_type(config: SimpleConfig):
-    if config.get('rpchost') and config.get('rpcport'):
+    if config.get('rpcport'):
         return 'tcp'
     # Use unix domain sockets when available,
     # with the extra paranoia that in case windows "implements" them,