FIX: Transaction::GetResultSet() now always returns a good reference

Summary

See title. For #11 (closed).

Focus

Is the unique_ptr handling correct?

Test Environment

Just run the unit tests. They failed before the fix.

Check List for the Author

• All automated tests pass
• Reference related Issues
• Up-to-date CHANGELOG.md
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

For further good practices have a look at our review guidelines.

mentioned in issue #11 (closed)

added 1 commit

• d548acab - Lowered print level.

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added 3 commits

• d548acab...13b955a1 - 2 commits from branch dev
• 381bd88a - Merge branch 'dev' into fix-11

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marked the checklist item I understand the intent of this MR as completed

marked the checklist item All automated tests pass as completed

marked the checklist item Up-to-date CHANGELOG.md as completed

marked the checklist item The test environment setup works and the intended behavior is as completed

marked the checklist item In-code documentation and comments are up-to-date. as completed

marked the checklist item Check: Are there specifications? Are they satisfied? as completed

mentioned in commit 912a4290

merged