Блокировка кнопок EditTrainees EditInstructors при деавторизации

InstructorsAndTrainees/trainees/viewertrainees.h

@@ -17,6 +17,9 @@ public:
     explicit ViewerTrainees(ConnectorToServer* connectorToServer, QWidget *parent = nullptr);
     ~ViewerTrainees();
 
+public:
+    void setAuthComplited(bool authComplited);
+
 protected:
     void changeEvent(QEvent * event) override;