[supervisor] Refactor supervisor exit to allow defer execution

[aledbf]

No description provided.

[aledbf]

/assign @akosyakov

[akosyakov]

/approve no-issue

[roboquat]

LGTM label has been added.

Git tree hash: 5a3a25acb9195f46b43456b7fffcfc2c8c59f117

[roboquat]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: akosyakov

Associated issue requirement bypassed by: akosyakov

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[codecov]

Codecov Report

Merging #5298 (0d33825) into main (5bd688b) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #5298      +/-   ##
==========================================
- Coverage   37.59%   37.58%   -0.01%     
==========================================
  Files          16       16              
  Lines        4104     4105       +1     
==========================================
  Hits         1543     1543              
- Misses       2435     2436       +1     
  Partials      126      126              

Flag	Coverage Δ
components-supervisor-app	37.58% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
components/supervisor/pkg/supervisor/supervisor.go	6.37% <0.00%> (-0.01%)	⬇️
components/supervisor/pkg/ports/ports.go	60.21% <0.00%> (ø)

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