fix(action-sheet): exception caused by repeated modification of component initialization data (#4013)

Author: betavs

packages/components/action-sheet/action-sheet.ts

@@ -37,8 +37,13 @@ export default class ActionSheet extends SuperComponent {
   ];
 
   observers = {
-    'visible, items'(visible: boolean) {
-      if (!visible) return;
+    items() {
+      this.splitGridThemeActions();
+    },
+  };
+
+  lifetimes = {
+    ready() {
       this.init();
     },
   };