Disable custom command groups (Suggestion #2224)

[Borbot33]

What's changed?

• Small warning if the command group is disabled
• A switch for disabling the custom commang group

Suggestion #2224

Screenshots

[jo3-l]

You should load the related group then use cmd.R.Group.Disabled instead of adding getDisabledGroups, which fetches all disabled groups even if we only need information about one.

[Borbot33]

You should load the related group then use cmd.R.Group.Disabled instead of adding getDisabledGroups, which fetches all disabled groups even if we only need information about one.

done :)

[jo3-l]

Nice, LGTM other than one minor nit