Position drills in 2D panel mode with XYZ coordinates

Add drills in 2D panel mode and fine-tune their placement by applying an offset to the default position.

1. In 2D panel mode, drills are added and positioned using XYZ coordinates.

   ✓ 已于 2026年10月11日 在产品中核实

2. A drill's position can be adjusted by adding an offset to the default position (for example adding 28, 28).

   ✓ 已于 2026年10月11日 在产品中核实