Improve UX of ticket download settings

src/pretix/static/pretixcontrol/js/ui/main.js

@@ -251,7 +251,7 @@ var form_handlers = function (el) {
             update = function () {
                 var enabled = dependency.prop('checked');
                 dependent.prop('disabled', !enabled).parents('.form-group').toggleClass('disabled', !enabled);
-                if (!enabled) {
+                if (!enabled && !$(this).is('[data-checkbox-dependency-visual]')) {
                     dependent.prop('checked', false);
                 }
             };
@@ -750,4 +750,4 @@ $(document).ready(function () {
    $('form[method=post]').filter(function () {
        return $(this).find("button:not([type=button]), input[type=submit]").length > 0;
    }).areYouSure( {'message': gettext('You have unsaved changes!')});
-});
+});

src/pretix/static/pretixcontrol/scss/_forms.scss

@@ -406,6 +406,18 @@ table td > .checkbox input[type="checkbox"] {
     line-height: 40px;
   }
 }
+.ticketoutput-panel .panel-heading {
+  .checkbox {
+    padding: 0;
+    input[type=checkbox] {
+      margin-top: 0;
+      margin-right: 5px;
+      margin-left: 0px;
+      position: relative;
+      top: 1px;
+    }
+  }
+}
 .accordion-radio {
   display: block;
   margin: 0;