MAGETWO-94297: [2.3] On Returns(RMA) details, Show/Hide details button does nothing.

- Fixed

Author: Oleksandr Dubovyk

app/design/frontend/Magento/luma/Magento_Rma/web/css/source/_module.less

@@ -40,6 +40,14 @@
         &:extend(.abs-status all);
     }
 
+    .table-wrapper.table-returns {
+        .returns-details {
+            &.hidden {
+                display: none;
+            }
+        }
+    }
+
     .block-returns-comments {
         .returns-comments {
             dt,