Total percentage of column sizes passed to onResizeFinished is more than 100%

[raymeskhoury]

Something funny is going on where the total percentage of newSizes in onResizeFinished is more than 100%.

[raymeskhoury]

Also, setting initialSizes back to the value passed in to onResizeFinished results in the column jittering visually. There is some kind of scale difference between newSizes and initialSizes