[frontend] fix crash page atomic testing after deleting a payload

[savacano28]

Proposed changes

Related issues

• After deleting a payload, atomic testing is throwing an error when accessing #1141

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 26.17%. Comparing base (827af72) to head (24e795b).

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #1160   +/-   ##
=========================================
  Coverage     26.17%   26.17%           
  Complexity     1066     1066           
=========================================
  Files           481      481           
  Lines         11602    11602           
  Branches        609      609           
=========================================
  Hits           3037     3037           
  Misses         8480     8480           
  Partials         85       85           

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[savacano28]

Create ticket about how a deleted payload could be shown in scenario, exercise, atomic testing..

[Dimfacion]

LGTM :)