fix restart command (#336)
fix restart command (#336)

* fix restart command

- `shardIDForGuildID()` is a static method, so it needs to be called directly on the class constructor
- Defined the guildID parameter as `args.server` instead of `msg.guild.id`

* Update src/commands/rover/RestartCommand.js

Co-authored-by: Wolftallemo <1b35f613912e4edf45750d9e5f8a05a1a44b4361@users.noreply.github.com>

* Update src/commands/rover/RestartCommand.js

Co-authored-by: Wolftallemo <1b35f613912e4edf45750d9e5f8a05a1a44b4361@users.noreply.github.com>

Co-authored-by: Wolftallemo <1b35f613912e4edf45750d9e5f8a05a1a44b4361@users.noreply.github.com>
evaera/RoVer