fix: 移除调试代码，优化图层恢复和导出逻辑

src/component/Canvas/CanvasEditor/commands/LayerCommands.js

@@ -621,7 +621,6 @@ export class RemoveLayerCommand extends Command {
     // 恢复图层到原位置
     if (this.layerIndex !== -1 && this.removedLayer) {
       this.layers.value.splice(this.layerIndex, 0, this.removedLayer);
-      debugger;
 
       // 使用优化渲染批处理恢复真实对象到画布
       await optimizeCanvasRendering(this.canvas, () => {

src/component/Canvas/CanvasEditor/managers/ExportManager.js

@@ -619,7 +619,6 @@ export class ExportManager {
     //   this.canvasManager?.canvasHeight?.value || this.canvas.height;
 
     // console.log(`普通模式导出，画布尺寸: ${canvasWidth}x${canvasHeight}`);
-    debugger;
     //  使用图层栅格化的方法导出图片
     const dataURL = await createRasterizedImage({
       canvas: this.canvas,