Add key to PacketViewer table

[jmthomas]

closes #1610

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.80%. Comparing base (7725769) to head (83e7fd4).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1611      +/-   ##
==========================================
+ Coverage   76.77%   76.80%   +0.03%     
==========================================
  Files         614      614              
  Lines       46403    46403              
  Branches      827      827              
==========================================
+ Hits        35628    35642      +14     
+ Misses      10683    10670      -13     
+ Partials       92       91       -1     

Flag	Coverage Δ
frontend	56.34% <ø> (+0.13%)	⬆️
python	84.60% <ø> (+0.04%)	⬆️
ruby-api	47.62% <ø> (ø)
ruby-backend	82.82% <ø> (ø)

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