Autocomplete for the tag command

[Tais993]

Is your feature request related to a problem? Please describe.
When trying to find a tag, we've to remember the name out of our head.

And you see, me stupid, you stupid, we don't remember the tag

Describe the solution you'd like
Implementation of auto-completion which will populate the user's input live when typing.
Example can be found in the gif below:

Additional context

This is an old gif, performance has been improved

discord-autocomplete.mp4

Blocked by #363 and #368

Until we update JDA and our command system, we won't be able to add this.
Therefore, soon:tm:

[illuminator3]

Can confirm, am stupid.

[github-actions]

This issue is stale because it has been open 30 days with no activity. Remove stale label, comment or add the valid label or this will be closed in 5 days.

[Zabuzard]

Closing in favor of duplicate #594