dbus-vis: A floating detail info window

Adds a draggable floating window for showing information regarding
highlighted messages.

Signed-off-by: Sui Chen <suichen@google.com>
Change-Id: If35cdd8962f102934934677d6160a555b56df99c
diff --git a/dbus-vis/dbus_pcap_loader.js b/dbus-vis/dbus_pcap_loader.js
index 9118cb3..dc7d321 100644
--- a/dbus-vis/dbus_pcap_loader.js
+++ b/dbus-vis/dbus_pcap_loader.js
@@ -285,7 +285,7 @@
         }
         let entry = [
           'mc', timestamp, serial, sender, destination, path, iface, member,
-          timestamp_end, payload, ''
+          timestamp_end, payload, packet, ''
         ];
 
         // Legacy IPMI interface uses method call for IPMI response