[FIX] Apply emojify on empty texts (#824)

app/containers/message/Markdown.js

@@ -28,7 +28,9 @@ export default class Markdown extends React.Component {
 			return null;
 		}
 		let m = formatText(msg);
+		if (m) {
 			m = emojify(m, { output: 'unicode' });
+		}
 		m = m.replace(/^\[([^\]]*)\]\(([^)]*)\)/, '').trim();
 		return (
 			<MarkdownRenderer

app/containers/message/Reply.js

@@ -97,7 +97,7 @@ const Reply = ({
 	};
 
 	const renderTitle = () => {
-		if (!(attachment.author_icon || attachment.author_name || attachment.ts)) {
+		if (!attachment.author_name) {
 			return null;
 		}
 		return (

app/views/RoomView/List.js

@@ -123,7 +123,9 @@ export class List extends React.PureComponent {
 			const thread = threads.find(t => t._id === item.tmid);
 			if (thread) {
 				let tmsg = thread.msg || (thread.attachments && thread.attachments.length && thread.attachments[0].title);
+				if (tmsg) {
 					tmsg = emojify(tmsg, { output: 'unicode' });
+				}
 				item = { ...item, tmsg };
 			}
 		}