[Glitch] Fix missing top border on Admin Hashtags UI

Port 6615f17b48 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/styles/tables.scss

@@ -149,6 +149,14 @@ a.table-action-link {
 }
 
 .batch-table {
+  &--no-toolbar {
+    .batch-table__toolbar {
+      position: static;
+      height: 4px;
+      border-bottom: none;
+    }
+  }
+
   &__toolbar,
   &__row {
     display: flex;