chore(floor-creator): remove obsolete code in floor-creator

 Fabric has fixed a bug and we don't need the workaround anymore

packages/floor-creator/src/CanvasHistory.ts

@@ -2,7 +2,7 @@ import type { FloorEditor } from "./FloorEditor.js";
 import type { FabricObject, TFiller } from "fabric";
 import { Group } from "fabric";
 import { EventEmitter } from "@posva/event-emitter";
-import { isEqual, once } from "es-toolkit";
+import { delay, isEqual, once } from "es-toolkit";
 
 export interface HistoryState {
     width: number;
@@ -240,9 +240,7 @@ export class CanvasHistory extends EventEmitter<HistoryEvents> {
             });
 
             // Additional wait to ensure all object events have fired
-            await new Promise<void>((resolve) => {
-                setTimeout(resolve, 0);
-            });
+            await delay(0);
         } finally {
             this.isHistoryProcessing = false;
             this.emit("stateChange");
@@ -253,11 +251,9 @@ export class CanvasHistory extends EventEmitter<HistoryEvents> {
         const obj1 = JSON.parse(json1);
         const obj2 = JSON.parse(json2);
 
-        // Normalize the objects by removing irrelevant properties
         const objects1 = CanvasHistory.normalize(obj1.objects);
         const objects2 = CanvasHistory.normalize(obj2.objects);
 
-        // Compare the normalized objects
         return isEqual(objects1, objects2);
     }
 }

packages/floor-creator/src/FloorViewer.ts

@@ -54,18 +54,6 @@ export class FloorViewer extends Floor {
         this.eventManager.destroy();
         this.zoomManager.destroy();
         this.touchManager.destroy();
-        // This is an ugly hack to work around the fact that fabric does not clear the mouseDownTimeout
-        // during dispose. This causes an exception to be thrown if the canvas is disposed while the mouse
-        // is down. Reported this issue https://github.com/fabricjs/fabric.js/issues/10248
-        // @ts-expect-error -- private property
-        // eslint-disable-next-line no-underscore-dangle -- fabric naming
-        const mouseDownTimeout = this.canvas._willAddMouseDown;
-        if (mouseDownTimeout) {
-            clearTimeout(mouseDownTimeout);
-            // @ts-expect-error -- private property
-            // eslint-disable-next-line no-underscore-dangle -- fabric naming
-            this.canvas._willAddMouseDown = 0;
-        }
         await this.canvas.dispose();
     }
 

packages/floor-creator/src/TouchManager.ts

@@ -31,7 +31,6 @@ export class TouchManager {
         const pinch = new Pinch({ enable: true, direction: DIRECTION_ALL });
         const pan = new Pan({ direction: DIRECTION_ALL, threshold: 50 });
 
-        // Add the recognizers to the hammerManager instance
         this.hammerManager.add([pinch, pan, doubleTap]);
 
         this.hammerManager.on("pinch", this.onPinch);