Method SetDisplayFlag

libs/drape/overlay_handle.hpp:142–142

  bool IsReady() const { return m_isReady; }

  void SetDisplayFlag(bool display) { m_displayFlag = display; }
  /// @todo displayFlag logic is effectively turned off now,
  /// remove all the associated code from drape later if its not needed anymore.
  // The displayFlag displacement logic supposedly should stabilize displacement