use CALL_COMMAND_HANDLER instead of direct calls

By using CALL_COMMAND_HANDLER, parameters can be reordered, added, or
even removed in inherited signatures, without requiring revisiting
all of the various call sites.

src/server/gdb_server.c

@@ -2271,7 +2271,7 @@ COMMAND_HANDLER(handle_gdb_sync_command)
 /* daemon configuration command gdb_port */
 COMMAND_HANDLER(handle_gdb_port_command)
 {
-	return server_port_command(cmd_ctx, cmd, args, argc, &gdb_port);
+	return CALL_COMMAND_HANDLER(server_port_command, &gdb_port);
 }
 
 COMMAND_HANDLER(handle_gdb_memory_map_command)

src/server/tcl_server.c

@@ -172,7 +172,7 @@ int tcl_init(void)
 
 COMMAND_HANDLER(handle_tcl_port_command)
 {
-	return server_port_command(cmd_ctx, cmd, args, argc, &tcl_port);
+	return CALL_COMMAND_HANDLER(server_port_command, &tcl_port);
 }
 
 int tcl_register_commands(command_context_t *cmd_ctx)

src/server/telnet_server.c

@@ -608,7 +608,7 @@ int telnet_init(char *banner)
 /* daemon configuration command telnet_port */
 COMMAND_HANDLER(handle_telnet_port_command)
 {
-	return server_port_command(cmd_ctx, cmd, args, argc, &telnet_port);
+	return CALL_COMMAND_HANDLER(server_port_command, &telnet_port);
 }
 
 COMMAND_HANDLER(handle_exit_command)