Comment 2 for bug 1844899

StacktraceTop:
 MainController::refreshTabAction (this=0x55869524c410, pos=0) at /usr/include/c++/8/bits/shared_ptr_base.h:996
 std::function<void (unsigned int)>::operator()(unsigned int) const (__args#0=<optimized out>, this=<optimized out>) at /usr/include/c++/8/bits/std_function.h:682
 View_Gtk_Main::signal_tab_changed (this=<optimized out>, page=<optimized out>, page_num=<optimized out>) at ./src/Bootstrap/../View/Gtk/Main.hpp:983
 sigc::slot2<void, Gtk::Widget*, unsigned int>::operator() (_A_a2=@0x7fffcf43095c: 0, _A_a1=@0x7fffcf430960: 0x5586956b0608, this=0x558695722998) at /usr/include/sigc++-2.0/sigc++/functors/slot_base.h:335
 (anonymous namespace)::Notebook_signal_switch_page_callback (self=<optimized out>, p0=0x55869558b530, p1=<optimized out>, data=0x558695722990) at notebook.cc:114