feat: add env variable to display image

Author: vladislavkeblysh

src/discussions/post-comments/comments/comment/CommentHeader.jsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
-import { getConfig } from "@edx/frontend-platform";
+import { getConfig } from '@edx/frontend-platform';
 import { Avatar } from '@openedx/paragon';
 import classNames from 'classnames';
 

src/discussions/posts/post/PostHeader.jsx

@@ -1,6 +1,6 @@
 import React, { useMemo } from 'react';
 import PropTypes from 'prop-types';
-import { getConfig } from "@edx/frontend-platform";
+import { getConfig } from '@edx/frontend-platform';
 import { Avatar, Badge, Icon } from '@openedx/paragon';
 import { Question } from '@openedx/paragon/icons';
 import classNames from 'classnames';