Pull request #3762: BI-155367 fix: 兜底处理一下，避免在事件回调里同步移除回调，导致后续遍历执行报错

Merge in VISUAL/fineui from ~OLIVER.KE/fineui:master to master

* commit '0664def54e151515b4da5e57e3675338a2544272':
  BI-155367 fix: 兜底处理一下，避免执行事件回调的时候同步移除回调，导致后续遍历执行报错

packages/fineui/src/core/controller/controller.broadcast.js

@@ -16,13 +16,13 @@ export class BroadcastController extends Controller {
             this._broadcasts[name] = [];
         }
         this._broadcasts[name].push(fn);
-        
+
         return () => this.remove(name, fn);
     }
 
     send(name) {
         const args = [].slice.call(arguments, 1);
-        each(this._broadcasts[name], (i, fn) => fn(...args));
+        each(this._broadcasts[name]?.slice?.(), (i, fn) => fn(...args));
     }
 
     remove(name, fn) {
@@ -34,7 +34,7 @@ export class BroadcastController extends Controller {
         } else {
             delete this._broadcasts[name];
         }
-        
+
         return this;
     }
 }