Keep checkbox state saved on submit

app/assets/javascripts/users_select.js

@@ -367,9 +367,8 @@ import Vue from 'vue';
         };
       })(this));
 
-      $('#require_approvals').on('change', (e) => {
-        var $approvalInput = $('#project_approvals_before_merge');
-        $approvalInput.val($('#require_approvals').prop("checked") ? 1 : 0);
+      $('#require_approvals').on('change', function() {
+        $('#project_approvals_before_merge').val($(this).prop('checked') ? 1 : 0);
       });
     }
 

app/views/projects/ee/_merge_request_settings.html.haml

@@ -46,7 +46,7 @@
 .form-group.reset-approvals-on-push
   .checkbox
     = label_tag :require_approvals do
-      = check_box_tag :require_approvals
+      = check_box_tag :require_approvals, nil, project.approvals_before_merge > 0
       %strong Activate merge request approvals
       //TODO: correct help path
       = link_to icon('question-circle'), "https://docs.gitlab.com/ee/user/project/merge_requests/merge_request_approvals.html#merge-request-approvals", target: '_blank'