fix(cmd): increase /connect max args from 7 to 9

The /connect command can take: account + server <s> + port <p> + tls <t> + auth <a>
which totals 9 arguments, not 7. This fixes argument parsing for full command usage.

src/command/cmd_defs.c

@@ -139,8 +139,9 @@ static const struct cmd_t command_defs[] = {
               "Show version and license information.")
     },
 
+    // Max args: account + server <s> + port <p> + tls <t> + auth <a> = 9
     { CMD_PREAMBLE("/connect",
-                   parse_args, 0, 7, NULL)
+                   parse_args, 0, 9, NULL)
       CMD_MAINFUNC(cmd_connect)
       CMD_TAGS(
               CMD_TAG_CONNECTION)