fix for html5 arrow keys not working on the console

[ninjamuffin99]

fixes #2190 and #3233

on HTML5, preventDefaultKeys in FlxKeyboard also calls preventDefault() to the keyboard event. This is helpful for not tabbing or scrolling the page when arrow keys or tab is pressed, but side effect is that it cancels the event propegation from reaching our event listeners fully.

This is a bit of a workaround for that, we directly call the event listener ourselves

[Geokureli]

could we bypass preventDefualt if we add the listener to the stage rather then the input?

Since prevent default seems to be popping up a lot, should we consider some common back-end tool for "unprevented" key-events? (doesn't have to happen now)

[ninjamuffin99]

I believe not, that snippet you highlighted attempts to focus the console if TAB is pressed, but even if it's added to the stage the event listener doesn't follow through.

disclaimer: may perhaps work with arrow keys, I just know tab has some special preventDefault() functionality in lime i thinky

[Geokureli]

Sorry for the delay, I wanted to test that LEFT and RIGHT didn't scroll the page horizontally when the console was selected, i.e.: bypass the intent of preventDefault entirely. This seems to work fine in my test (pw: flixel)