[ACA-3426] - reverted method renaming

[VitoAlbano]

Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x")

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation
• Other... Please describe:

What is the current behaviour? (You can also link to an open issue here)
previous feature changed a public method introducing a breaking change

What is the new behaviour?
reverted the name as it was before.

Does this PR introduce a breaking change? (check one with "x")

• Yes
• No

If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...

Other information:

[codecov-commenter]

Codecov Report

Merging #5803 into develop will increase coverage by 2.10%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop    #5803      +/-   ##
===========================================
+ Coverage    83.88%   85.99%   +2.10%     
===========================================
  Files          960      178     -782     
  Lines        27174     5428   -21746     
  Branches      3790      763    -3027     
===========================================
- Hits         22796     4668   -18128     
+ Misses        3250      520    -2730     
+ Partials      1128      240     -888     

Impacted Files	Coverage Δ
...omponents/search-header/search-header.component.ts	83.92% <ø> (ø)
...vices/src/lib/search/base-query-builder.service.ts	88.27% <100.00%> (ø)
lib/core/form/events/validate-form-field.event.ts
...atable/components/json-cell/json-cell.component.ts
...nents/activities/diagram-service-task.component.ts
...agram/models/diagram/diagram-pool-element.model.ts
...s-list/models/process-cloud-query-request.model.ts
...rc/lib/mock/process/process-instances-list.mock.ts
...onents/form-definition-selector-cloud.component.ts
.../src/lib/task/start-task/mock/task-details.mock.ts
... and 774 more

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[eromano]

/rebase