Fix issue 2534: spies are not restored

[fatso83]

Purpose (TL;DR) - mandatory

Fix issue #2534 by ensuring spies on accessors are explicitly added to the sandbox collection

Background (Problem in detail) - optional

See #2534

How to verify - mandatory

Run the tests

Checklist for author

• npm run lint passes
• References to standard library functions are cached.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.26% ⚠️

Comparison is base (305fb6c) 95.99% compared to head (752986e) 95.73%.

❗ Current head 752986e differs from pull request most recent head 075ba36. Consider uploading reports for the commit 075ba36 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2535      +/-   ##
==========================================
- Coverage   95.99%   95.73%   -0.26%     
==========================================
  Files          40       40              
  Lines        1898     1901       +3     
==========================================
- Hits         1822     1820       -2     
- Misses         76       81       +5     

Flag	Coverage Δ
unit	95.73% <100.00%> (-0.26%)	⬇️

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

Files Changed	Coverage Δ
lib/sinon/sandbox.js	95.51% <100.00%> (-2.22%)	⬇️
lib/sinon/util/core/get-property-descriptor.js	100.00% <100.00%> (ø)

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