getsummary and getsummaryAndState decoupling

[otherview]

Description

Small refactor around getsummary

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• [x] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• [x] Test A
• [x] Test B

Test Configuration:

• Go Version:
• Hardware:
• Docker Version:

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] New and existing E2E tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules
• [x] I have not added any vulnerable dependencies to my code

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 93.68421% with 6 lines in your changes missing coverage. Please review.

Project coverage is 62.65%. Comparing base (bfa83f3) to head (8acb364). Report is 1 commits behind head on master.

Files	Patch %	Lines
api/utils/revisions.go	90.32%	3 Missing and 3 partials :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #786 +/- ## ========================================== + Coverage 62.57% 62.65% +0.08% ========================================== Files 199 199 Lines 18153 18196 +43 ========================================== + Hits 11359 11401 +42 Misses 5713 5713 - Partials 1081 1082 +1 ```

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[libotony]

LGTM, this will tidy API in revisions.go, thanks!