feat(scenic): 添加分享功能配置项

- 在ScenicConfigResp中新增shareEnable字段
- 在AppScenicController中设置shareEnable默认值为true
- 支持景区配置是否开启分享功能
- 保持与shareBeforeBuy配置项的一致性处理

src/main/java/com/ycwl/basic/controller/mobile/AppScenicController.java

@@ -93,6 +93,7 @@ public class AppScenicController {
         resp.setGroupingEnable(scenicConfig.getBoolean("grouping_enable", false));
         resp.setShowPhotoWhenWaiting(scenicConfig.getBoolean("show_photo_when_waiting", false));
         resp.setWatermarkUrl(scenicConfig.getString("watermark_url"));
+        resp.setShareEnable(scenicConfig.getBoolean("share_enable", true));
         resp.setShareBeforeBuy(scenicConfig.getBoolean("share_before_buy", true));
         return ApiResponse.success(resp);
     }

src/main/java/com/ycwl/basic/model/pc/scenic/resp/ScenicConfigResp.java

@@ -50,5 +50,6 @@ public class ScenicConfigResp {
     private Boolean groupingEnable;
     private Boolean showPhotoWhenWaiting;
     private String watermarkUrl;
+    private Boolean shareEnable;
     private Boolean shareBeforeBuy;
 }