Minor improvements

src/portal.js

@@ -219,7 +219,7 @@ class Portal {
 			room = await user.intent.createRoom({
 				createAsClient: true,
 				options: {
-					name: user.getDisplayName(),
+					//name: user.getDisplayName(),
 					topic: "Telegram private chat",
 					visibility: "private",
 					invite,

src/telegram-peer.js

@@ -95,13 +95,13 @@ class TelegramPeer {
 	 */
 	async updateInfo(dialog) {
 		let changed = false
-		if (this.type === "channel" || this.type === "user") {
+		if (dialog.username && (this.type === "channel" || this.type === "user")) {
 			if (this.username !== dialog.username) {
 				this.username = dialog.username
 				changed = true
 			}
 		}
-		if (this.title !== dialog.title) {
+		if (dialog.title && this.title !== dialog.title) {
 			this.title = dialog.title
 			changed = true
 		}