IME: Using return key to commit text does not work

[LPGhatguy]

On my system, using the system IME to compose some characters and then hitting return results in the composition buffer being deleted and no text being inserted into the textbox. That's no good. I can still click options in the menu, which works, but it's not ideal.

I think this might be a race condition in our event handling.

[stolen-programmer]

I found the problem

When typing enter

Calling ctx.input.set_selection(None);

Causing loss of focus and subsequent commit event

https://github.com/SecondHalfGames/yakui/blob/main/crates/yakui-widgets/src/widgets/textbox.rs#L237