feat:add control readonly

src/editor/core/draw/control/Control.ts

@@ -79,6 +79,8 @@ export class Control {
   }
 
   public initControl() {
+    const isReadonly = this.draw.isReadonly()
+    if (isReadonly) return
     const elementList = this.getElementList()
     const range = this.getRange()
     const element = elementList[range.startIndex]

src/editor/core/event/CanvasEvent.ts

@@ -167,7 +167,7 @@ export class CanvasEvent {
       y: evt.offsetY
     })
     // 激活控件
-    if (positionResult.isControl) {
+    if (positionResult.isControl && !isReadonly) {
       const {
         index,
         isTable,