show firmware version and build date on room server screen

examples/simple_room_server/main.cpp

@@ -887,7 +887,7 @@ void setup() {
   the_mesh.begin(fs);
 
 #ifdef DISPLAY_CLASS
-  ui_task.begin(the_mesh.getNodeName(), FIRMWARE_BUILD_DATE);
+  ui_task.begin(the_mesh.getNodeName(), FIRMWARE_BUILD_DATE, FIRMWARE_VERSION);
 #endif
 
   // send out initial Advertisement to the mesh