[backend] Close entity manager

[savacano28]

Proposed changes

Related issues

• Closes #ISSUE-NUMBER

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 41.78082% with 85 lines in your changes missing coverage. Please review.

Project coverage is 33.03%. Comparing base (d20c8e3) to head (7b569c6).

Files with missing lines	Patch %	Lines
.../src/main/java/io/openbas/service/TeamService.java	0.00%	30 Missing ⚠️
.../main/java/io/openbas/rest/user/PlayerService.java	0.00%	18 Missing ⚠️
...n/java/io/openbas/service/InjectSearchService.java	48.38%	13 Missing and 3 partials ⚠️
.../asset_group/AssetGroupCriteriaBuilderService.java	50.00%	12 Missing and 3 partials ⚠️
...openbas/rest/exercise/service/ExerciseService.java	84.21%	0 Missing and 3 partials ⚠️
...est/injector_contract/InjectorContractService.java	83.33%	0 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1883      +/-   ##
============================================
- Coverage     33.04%   33.03%   -0.02%     
  Complexity     1653     1653              
============================================
  Files           571      571              
  Lines         16766    16784      +18     
  Branches        971      980       +9     
============================================
+ Hits           5540     5544       +4     
- Misses        10979    10989      +10     
- Partials        247      251       +4     

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[RomuDeuxfois]

The @PersistenceContext handle this
https://stackoverflow.com/questions/17504784/closing-entitymanager-by-spring

[savacano28]

Yes! Thank you! I close it! :)