message: Fix colorblindness filter making DIM invisible on Firefox
diff: @@ -41,7 +41,11 @@ export default class ContentController {
  document.querySelector('html').style.setProperty("--vault-max-columns", cols);
  });
  $scope.$watch(() => { return vm.settings.colorA11y; }, (color) => {
  + if (color && color !== '-') {
  document.querySelector('html').style.setProperty("--color-filter", `url(#${color.toLowerCase()})`);
  + } else {
  + document.querySelector('html').style.removeProperty("--color-filter");
  + }
  });
  vm.featureFlags = {
  