Bug 1100341 - [Statusbar][Edge gestures] Icons overlay when performing e...

...dge gestures while app opening
I think we should keep the implementation of this method as is and just check `if (this._pausedForGesture)` in the `sheets-gesture-*` handling code. Because some non-sheet-related might still be calling it and we still want the _pasued count to be incremented in this case.