- Add forwardWheelToCanvas() utility for vanilla JS widgets
- Implement wheel event handling in Vue widgets (LoraCyclerWidget, LoraRandomizerWidget, LoraPoolWidget)
- Update SingleSlider and DualRangeSlider to stop event propagation after value adjustment
- Ensure consistent behavior: slider adjusts value only, other areas trigger canvas zoom
- Support pinch-to-zoom (Ctrl+wheel) and horizontal scroll forwarding