FIX: update the info ready check

jira: [STUDIO-10771] [Studio-10608]
Change-Id: I6af3409ebdc7c173b2cfcd6745854e928753dff1
(cherry picked from commit 04e45e4a6e4e4fbc2b3664d29a17b508b7b58f24)

src/slic3r/GUI/StatusPanel.cpp

@@ -2600,7 +2600,7 @@ bool StatusPanel::is_task_changed(MachineObject* obj)
 
 void StatusPanel::update(MachineObject *obj)
 {
-    if (!obj)
+    if (!obj || !obj->is_info_ready())
     {
         m_nozzle_btn_panel->Disable();
         return;