Cannot bind +/- on a controller axis to the same input

[Buurazu]

gambatte-speedrun/gambatte_qt/src/framework/src/inputdialog.cpp

Line 389 in 98ef6ad

void InputDialog::joystickEvent(SDL_Event const &ev) {

https://discordapp.com/channels/88066218971385856/686674807093198916/692590795986960395

If you bind the + and - on an axis to the same input (namely binding Select to LT/RT, to match Gamecube functionality), only the second one will work.

A temporary array of booleans used to not "unset" and "set" in the same for loop could fix it?