Return at the new line into the Pop-up (#1267)

Add regex to replace "\r\n" or "\r" or "\n" by <br/>

front/src/WebRtc/HtmlUtils.ts

@@ -25,7 +25,7 @@ export class HtmlUtils {
     }
 
     public static escapeHtml(html: string): string {
-        const text = document.createTextNode(html);
+        const text = document.createTextNode(html.replace(/(\r\n|\r|\n)/g,'<br/>'));
         const p = document.createElement('p');
         p.appendChild(text);
         return p.innerHTML;