No error message sent on invalid upgrade syntax

[ms5984]

Required syntax: owo upgrade {trait} {count}

Suggested syntax by owo hb:

You can use `owo upgrade {trait}` to upgrade the traits below.

Expected syntax

You can use `owo upgrade {trait} {count}` to upgrade the traits below.

Expected response to owo upgrade {trait}

You need to provide an amount of essence to upgrade!

or simply {count} = 1, or possibly {count} = amount required for next trait level. Further still possibly could offer the option to use all remaining essence with confirmation

Actual response owo upgrade {trait}

Nothing.

280 partially addresses this issue