feat:开放分享链接入口

src/modules/teach-tool/examination-manager/ExamShareModal.jsx

@@ -126,7 +126,7 @@ class ExamShareModal extends React.Component {
                         <div className="content" onClick={this.handleDownloadPoster}>下载海报</div>
                     </div>
 
-                    {/* <div className="share-url right__item" style={{ marginTop: 40 }}>
+                    <div className="share-url right__item" style={{ marginTop: 40 }}>
                         <div className="title">② 链接分享</div>
                         <div className="sub-title">用户可通过微信或浏览器打开以下链接，查看考试（建议使用谷歌浏览器）</div>
                         <div className="content">
@@ -136,7 +136,7 @@ class ExamShareModal extends React.Component {
                                 onClick={this.handleCopy}
                             >复制</Button>
                         </div>
-                    </div> */}
+                    </div>
                 </div>
             </Modal>
         )