/showcoords requires 2 executions to be enabled

[Nokoa]

Running /showcoords command doesn't do anything, running it a second time will activate the boss bar with the coords.

[Vatoka]

I was not able to recreate this issue. For me running /showcoords instantly brings up the boss bar with the coords.
My Result: https://ibb.co/v1nRxVW

[OutdatedVersion]

Thanks! Both cases are helpful to know of. It's likely to run in to this when unknowingly invalidating a boss bar tied to your player - for example, when you disconnect. It needs to handle the evolution of player sessions.

This is a WIP.

(Unrelated, it would probably be helpful to persist the option if you were to log out/server restarts.)