feat: 16910 功能缺陷--回看类型的稿件鸿蒙版缺少**人参与与安卓不一致

@@ -104,10 +104,12 @@ export struct CardMediaInfo {
               Text('已结束')
                 .mediaText()
           }
-          Text(' | ')
-            .mediaText()
-          Text(`${this.handlerNum(this.joinPeopleNum.toString())}人参加`)
-            .mediaText()
+          if (!!this.joinPeopleNum) {
+            Text(' | ')
+              .mediaText()
+            Text(`${this.handlerNum(this.joinPeopleNum.toString())}人参加`)
+              .mediaText()
+          }
           // } else if (this.contentDTO?.liveInfo?.liveState === 'end' && this.contentDTO?.liveInfo
           //   ?.replayUri) {
           //   // Image($r('app.media.card_live'))