fix typo for circle icon

Author: dedywahyudi

src/shared/components/challenge-listing/Filters/FiltersPanel/index.jsx

@@ -37,7 +37,7 @@ import ChallengeSearchBar from 'containers/challenge-listing/ChallengeSearchBar'
 import { challenge as challengeUtils } from 'topcoder-react-lib';
 import { createStaticRanges } from 'utils/challenge-listing/date-range';
 import ArrowIcon from 'assets/images/ico-arrow-down.svg';
-import CircleIcon from 'assets/images/Icon-circle.png';
+import CircleIcon from 'assets/images/icon-circle.png';
 import Button from '../Button';
 import UiSimpleRemove from '../../Icons/ui-simple-remove.svg';
 import BucketSelector from '../../Sidebar/BucketSelector';