Merge pull request wenzhixin#3598 from juliyvchirkov/patch-1

cosmetic patch for collision on certain conditions

Author: wenzhixin

src/extensions/group-by-v2/bootstrap-table-group-by.css

@@ -4,4 +4,8 @@
 
 .bootstrap-table .table > tbody > tr.groupBy.expanded {
 
-}
+}
+
+tr.hidden + tr.detail-view {
+    display: none;
+}