{master} try out requestAnimationFrame instead of requestIdleCallback
{master} try out requestAnimationFrame instead of requestIdleCallback

sometimes, in a given tab, firefox will omit to run that callback.
other tabs work fine, that tab always fails to run it.

let's try another way of delaying that code.

luanlv/lila,luanlv/lila,luanlv/lila,luanlv/lila,luanlv/lila,arex1337/lila,luanlv/lila,arex1337/lila,arex1337/lila,arex1337/lila,luanlv/lila,arex1337/lila,arex1337/lila,arex1337/lila