[bugfix] timestamps are expressed in seconds in ts parameters

cli/ui.js

@@ -139,7 +139,7 @@ function doCreateMessageDom(channelId, msg, skipAttachment) {
     authorName.className = R.klass.msg.authorname;
     hover.className = R.klass.msg.hover.container;
     hoverReply.className = R.klass.msg.hover.reply;
-    ts.innerHTML = formatDate(msg.ts * 1000);
+    ts.innerHTML = formatDate(msg.ts);
     text.innerHTML = formatSlackText(msg.raw["text"] || "");
     authorName.textContent = sender ? sender.name : (msg.raw["username"] || "?");
     if (!sender && !msg.raw["username"])