feat(动态)：点赞按钮居中

@@ -326,6 +326,7 @@ export struct DynamicDetailComponent {
               .margin({ top: $r('app.float.margin_24')})
               //点赞
               Row(){
+                Blank().layoutWeight(1)
                 Image(this.newsStatusOfUser?.likeStatus == '1'?
                 $r('app.media.icon_like_selected_redheart')
                   :$r('app.media.icon_like_unselect_grey_redheart'))
@@ -337,6 +338,7 @@ export struct DynamicDetailComponent {
                   .fontSize($r('app.float.font_size_16'))
                   .lineHeight($r('app.float.margin_20'))
                   .margin({ left: $r('app.float.margin_2')})
+                Blank().layoutWeight(1)
               }
               .width($r('app.float.margin_154'))
               .height($r('app.float.margin_40'))