[backend] fix accumulation score of expectations

[savacano28]

Proposed changes

• Fix naming inconsistencies in properties for store actions.

Related issues

• https://github.com/OpenBAS-Platform/openbas/issues/1021

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)
• [x] 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[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 26.84%. Comparing base (fedc5b4) to head (c3a3893).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1108 +/- ## ========================================= Coverage 26.84% 26.84% Complexity 1062 1062 ========================================= Files 471 471 Lines 11192 11192 Branches 567 567 ========================================= Hits 3004 3004 Misses 8104 8104 Partials 84 84 ```

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