Use `converse-rich-text` component to render unfurl descriptions

src/shared/chat/templates/unfurl.js

@@ -7,7 +7,7 @@ export default (o) => {
         ${ o.image && u.isImageDomainAllowed(o.image) ? html`<a href="${o.url}" target="_blank" rel="noopener"><img class="card-img-top" src="${o.image}" @load=${o.onload}/></a>` : '' }
         <div class="card-body">
             <a href="${o.url}" target="_blank" rel="noopener"><h5 class="card-title">${o.title}</h5></a>
-            <p class="card-text">${u.addHyperlinks(o.description)}</p>
+            <p class="card-text"><converse-rich-text text=${o.description}></converse-rich-text></p>
             <p class="card-text"><a href="${o.url}" target="_blank" rel="noopener">${u.getURI(o.url).domain()}</a></p>
         </div>
     </div>`;

src/utils/html.js

@@ -356,38 +356,6 @@ u.filterQueryParamsFromURL = function (url) {
     return parsed_uri.removeQuery(paramsArray).toString();
 };
 
-u.addHyperlinks = function (text) {
-    const objs = [];
-    const parse_options = { 'start': /\b(?:([a-z][a-z0-9.+-]*:\/\/)|xmpp:|mailto:|www\.)/gi };
-    try {
-        URI.withinString(text, (url, start, end) => {
-            objs.push({url, start, end})
-            return url;
-        } , parse_options);
-    } catch (error) {
-        log.debug(error);
-        return [text];
-    }
-
-    let list = [text];
-    if (objs.length) {
-        objs.sort((a, b) => b.start - a.start)
-            .forEach(url_obj => {
-                const text = list.shift();
-                const url_text = text.slice(url_obj.start, url_obj.end);
-                list = [
-                    text.slice(0, url_obj.start),
-                    u.convertUrlToHyperlink(url_text),
-                    text.slice(url_obj.end),
-                    ...list
-                ];
-            });
-    } else {
-        list = [text];
-    }
-    return list;
-}
-
 u.httpToGeoUri = function(text, _converse) {
     const replacement = 'geo:$1,$2';
     return text.replace(_converse.api.settings.get("geouri_regex"), replacement);