Merge pull request #2762 from projectblacklight/cbeer-patch-2

Make the advanced search responsive collapse breakpoints match

app/components/blacklight/advanced_search_form_component.rb

@@ -41,7 +41,7 @@ def initialize_search_field_controls
         search_field_control do
           fields_for('clause[]', i, include_id: false) do |f|
             content_tag(:div, class: 'form-group advanced-search-field row') do
-              f.label(:query, field.display_label('search'), class: "col-md-3 col-form-label text-md-right") +
+              f.label(:query, field.display_label('search'), class: "col-sm-3 col-form-label text-md-right") +
                 content_tag(:div, class: 'col-sm-9') do
                   f.hidden_field(:field, value: field.key) +
                     f.text_field(:query, value: query_for_search_clause(field.key), class: 'form-control')