Fixes dropdown labels on merge and push access level dropdowns

[ci skip]

app/views/projects/protected_branches/_access_level_dropdown.html.haml

 - defaultLabel = 'Select'
 - dropdownLabel = defaultLabel
-- access_by_type = protected_branch.merge_access_level_frequencies
 
 - if access_levels.present?
   - access_levels.map.with_index do |level, i|
@@ -13,7 +12,7 @@
     %input{ type: 'hidden', name: "protected_branch[#{input_basic_name}][#{i}][#{fieldKey}]",
                             value: value, data: { type: level.type, id: level.id } }
   
-  - dropdownLabel = [pluralize(access_by_type[:role], 'role'), pluralize(access_by_type[:user], 'user')].to_sentence
+  - dropdownLabel = [pluralize(level_frequencies[:role], 'role'), pluralize(level_frequencies[:user], 'user')].to_sentence
 
 = dropdown_tag(dropdownLabel, options: { toggle_class: "#{toggle_class} js-multiselect", dropdown_class: 'dropdown-menu-user dropdown-menu-selectable', filter: true,
                                     data: { default_label: defaultLabel } })

app/views/projects/protected_branches/_protected_branch_access_summary.html.haml

 %td
-  = render partial: 'access_level_dropdown', locals: { protected_branch: protected_branch, access_levels: protected_branch.merge_access_levels, input_basic_name: 'merge_access_levels_attributes', toggle_class: 'js-allowed-to-merge' }
+  = render partial: 'access_level_dropdown', locals: { protected_branch: protected_branch, access_levels: protected_branch.merge_access_levels, level_frequencies: protected_branch.merge_access_level_frequencies, input_basic_name: 'merge_access_levels_attributes', toggle_class: 'js-allowed-to-merge' }
 
 %td
-  = render partial: 'access_level_dropdown', locals: { protected_branch: protected_branch, access_levels: protected_branch.push_access_levels, input_basic_name: 'push_access_levels_attributes', toggle_class: 'js-allowed-to-push' }
+  = render partial: 'access_level_dropdown', locals: { protected_branch: protected_branch, access_levels: protected_branch.push_access_levels, level_frequencies: protected_branch.push_access_level_frequencies, input_basic_name: 'push_access_levels_attributes', toggle_class: 'js-allowed-to-push' }