Please add a property to disable the zoom witch CTRL+MouseWheel. Maybe something like IsMouseWheelZoomEnabled with a defaut value of true.
There are already other properties like IsPanningEnabled or ZoomToCursor.
The currently known solution is:
private void imageEditor_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
e.Handled = true;
}
}