hide horizontal scrollbar (#5670)

vertical scrollbar only displayed when required. Adjust margins

[ci skip]

app/assets/stylesheets/content/_autocomplete.sass

@@ -88,7 +88,7 @@ div.autocomplete
   &.-inplace
     position: relative
     border: none
-    padding-top: 15px
+    margin-top: 15px
     line-height: 1.6
     font-size: 1rem
 

app/assets/stylesheets/layout/_toolbar.sass

@@ -248,6 +248,7 @@
     display: block
   .search-query-wrapper
     padding: 15px
+    overflow: hidden
   .query-select-dropdown--no-results
     padding: 15px 15px 0
   .ui-menu-item
@@ -274,7 +275,7 @@
     color: #999999
   .ui-widget-content.-inplace
     max-height: 55vh
-    overflow-x: scroll
+    overflow-x: auto
 
   input[type="search"]::-webkit-search-cancel-button
     display: none