解决鼠标移出移入画布后笔刷指示器丢失问题

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

@@ -391,6 +391,9 @@ export class BrushIndicator {
     this._mouseEnterHandler = (e) => {
       if (this._shouldShowIndicator()) {
         this.show(e.e);
+				const currentVpt = this.canvas.viewportTransform;
+				this.staticCanvas.setViewportTransform([...currentVpt]);
+				this.staticCanvas.renderAll();
       }
     };