Fix bug that app exit on system tray doesn't work in windows

[bitfriend]

I found Exit app menu of system tray doesn't work in windows.
Will fix it here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 33.10%. Comparing base (7916340) to head (fc52224).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2635      +/-   ##
==========================================
- Coverage   33.16%   33.10%   -0.07%     
==========================================
  Files         743      743              
  Lines       48244    48244              
==========================================
- Hits        16001    15970      -31     
- Misses      32243    32274      +31     

Flag	Coverage Δ
integration-test	43.16% <ø> (-0.16%)	⬇️
unittest	23.89% <ø> (ø)

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[bitfriend]

This callback doesn't work in windows.
This comment was helpful to me.

[bitfriend]

Now user can exit app via system tray in windows.