Fix #59 no need for broadcasts when showing new node pane

src/mesh/NodeDB.cpp

@@ -48,6 +48,12 @@ User &owner = devicestate.owner;
 
 static uint8_t ourMacAddr[6];
 
+/**
+ * The node number the user is currently looking at
+ * 0 if none
+ */
+NodeNum displayedNodeNum;
+
 NodeDB::NodeDB() : nodes(devicestate.node_db), numNodes(&devicestate.node_db_count) {}
 
 void NodeDB::resetRadioConfig()