fix disappearing reply preview in image and doc previews

src/widgets/send-message.jsx

@@ -59,6 +59,13 @@ class SendMessage extends React.PureComponent {
     if (this.messageEditArea) {
       this.messageEditArea.addEventListener('paste', this.handlePasteEvent, false);
     }
+
+    this.setState({quote: this.props.replyTo ?
+      Drafty.format(this.props.replyTo.content, replyFormatter, {
+        formatMessage: this.props.intl.formatMessage.bind(this.props.intl),
+        authorizeURL: this.props.tinode.authorizeURL.bind(this.props.tinode)
+      }) :
+      null});
   }
 
   componentWillUnmount() {

umd/index.dev.js

@@ -11513,6 +11513,13 @@ class SendMessage extends (react__WEBPACK_IMPORTED_MODULE_0___default().PureComp
     if (this.messageEditArea) {
       this.messageEditArea.addEventListener('paste', this.handlePasteEvent, false);
     }
+
+    this.setState({
+      quote: this.props.replyTo ? tinode_sdk__WEBPACK_IMPORTED_MODULE_2__.Drafty.format(this.props.replyTo.content, _lib_formatters_js__WEBPACK_IMPORTED_MODULE_5__.replyFormatter, {
+        formatMessage: this.props.intl.formatMessage.bind(this.props.intl),
+        authorizeURL: this.props.tinode.authorizeURL.bind(this.props.tinode)
+      }) : null
+    });
   }
 
   componentWillUnmount() {