[backend/frontend] Improve latency on exercise overview

[savacano28]

Proposed changes

This PR affects the following features:

• InjectResultDTO has been split into InjectResultOutput and InjectResultOverviewOutput
• Atomic testing
  List atomic testings (CRUD, filters)
  Atomic testing overview and detail (CRUD, execution)
• Exercise
  List (CRUD, filters)
  Exercise overview: search injects (CRUD, filters, execution)
• Scenario
  Scenario overview: exercises, search exercises
• Reports
  inject results
• ImportTestSummary
  injects
• openctiApi
  scenarioService.latestExerciseByExternalReference

Related issues

• Close Improve latency on simulation overview #1729
• Close Improve latency on simulations list #1718

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

Attention: Patch coverage is 59.55734% with 603 lines in your changes missing coverage. Please review.

Project coverage is 33.04%. Comparing base (6e03516) to head (f47aa83).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...n/java/io/openbas/service/InjectSearchService.java	28.25%	191 Missing and 2 partials ⚠️
...n/java/io/openbas/service/InjectImportService.java	78.09%	84 Missing and 75 partials ⚠️
...src/main/java/io/openbas/utils/ExerciseMapper.java	0.00%	58 Missing ⚠️
...main/java/io/openbas/utils/AtomicTestingUtils.java	40.42%	28 Missing ⚠️
...pi/src/main/java/io/openbas/utils/InjectUtils.java	34.14%	23 Missing and 4 partials ⚠️
...i/src/main/java/io/openbas/utils/InjectMapper.java	76.28%	23 Missing ⚠️
...nbas/rest/scenario/response/ImportTestSummary.java	12.00%	22 Missing ⚠️
...s/rest/atomic_testing/form/InjectResultOutput.java	0.00%	15 Missing ⚠️
...openbas/rest/exercise/service/ExerciseService.java	88.00%	9 Missing and 3 partials ⚠️
...rc/main/java/io/openbas/service/InjectService.java	14.28%	11 Missing and 1 partial ⚠️
... and 18 more

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1767      +/-   ##
============================================
+ Coverage     32.42%   33.04%   +0.61%     
- Complexity     1623     1653      +30     
============================================
  Files           561      571      +10     
  Lines         16834    16766      -68     
  Branches        984      972      -12     
============================================
+ Hits           5459     5540      +81     
+ Misses        11133    10979     -154     
- Partials        242      247       +5     

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[Dimfacion]

LGTM :)