fix(ActionSheet): move initialization to observer for better visibility handling

Author: betavs

src/action-sheet/action-sheet.ts

@@ -36,10 +36,13 @@ export default class ActionSheet extends SuperComponent {
     },
   ];
 
-  ready() {
-    this.memoInitialData();
-    this.splitGridThemeActions();
-  }
+  observers = {
+    visible(value: boolean) {
+      if (!value) return;
+      this.memoInitialData();
+      this.splitGridThemeActions();
+    },
+  };
 
   methods = {
     onSwiperChange(e: WechatMiniprogram.TouchEvent) {
@@ -65,7 +68,6 @@ export default class ActionSheet extends SuperComponent {
         ...options,
         visible: true,
       });
-      this.splitGridThemeActions();
       this.autoClose = true;
       this._trigger('visible-change', { visible: true });
     },