Scrolling: Fix wheel scrolling in gesture manager.
Scrolling: Fix wheel scrolling in gesture manager.

mdittmer/foam,jlhughes/foam,jlhughes/foam,osric-the-knight/foam,foam-framework/foam,jacksonic/foam,osric-the-knight/foam,mdittmer/foam,mdittmer/foam,foam-framework/foam,foam-framework/foam,foam-framework/foam,jacksonic/foam,osric-the-knight/foam,jacksonic/foam,foam-framework/foam,mdittmer/foam,osric-the-knight/foam,jacksonic/foam,jlhughes/foam,jlhughes/foam