캔버스 저장시 필요한 컬럼들도 저장

src/hooks/useCanvas.js

@@ -542,7 +542,23 @@ export function useCanvas(id) {
   const addCanvas = () => {
     // const canvasState = canvas
 
-    const objs = canvas?.toJSON(['selectable', 'name', 'parentId', 'id', 'length', 'idx', 'direction', 'lines', 'points'])
+    const objs = canvas?.toJSON([
+      'selectable',
+      'name',
+      'parentId',
+      'id',
+      'length',
+      'idx',
+      'direction',
+      'lines',
+      'points',
+      'lockMovementX',
+      'lockMovementY',
+      'lockRotation',
+      'lockScalingX',
+      'lockScalingY',
+      'opacity',
+    ])
 
     const str = JSON.stringify(objs)