fix: add transforms for aliased built-ins

[zolamk]

Description

Adds missing transformers for aliased built-ins

Closes #1046

Summary generated by Reviewpad on 18 Aug 23 04:56 UTC

This pull request includes changes to the transform.go file. Here is a summary of the changes:

1. Added the addDefaultsToRequestedReviewers function to format a string with requested reviewers.
2. Added the addDefaultsToAddReviewers function to format a string with additional reviewers.
3. Added the addDefaultGetSizeMethod function to replace a string with a default size method value.
4. Added the addDefaultCountUserIssues function to replace a string with a default count of user issues.
5. Added the addDefaultCountUserPullRequests function to replace a string with a default count of user pull requests.
6. Added the addDefaultHasOnlyCompletedCheckRuns function to replace a string with a default check runs value.
7. Added the addDefaultAddReviewersBasedOnCodeAuthor function to replace a string with a default code author value.
8. Added the addDefaultsToAddAssignees function to format a string with additional assignees.
9. Added the addEmptyFilterToContainsOnlyCodeWithoutSemanticChanges function to replace a string with an empty filter value.
10. Modified the summarizeAlias and transformAladinoExpression functions.

Please let me know if you have any further questions or need additional assistance with the code review!

🤖 Generated by Copilot at e591f5c

This pull request improves the testing and usability of some aladino functions in the engine package. It adds and modifies tests in engine/transform_internal_test.go to cover the new functions and the renamed $hasOnlyCompletedCheckRuns function. It also adds functions in engine/transform.go that provide default values for optional arguments of aladino functions such as $hasLabel, $hasMilestone, and $hasAssignee.

Code review and merge strategy

Ship: this pull request can be automatically merged and does not require code review

How

🤖 Generated by Copilot at e591f5c

• Add new functions to the engine package to simplify the usage of aladino functions and avoid errors when optional arguments are not provided (link, link, link, link, link, link, link)
• Apply the new functions to the aladino expression in the transformAladinoExpression function (link)
• Add new test cases to the TestTransformAladinoExpression function in the engine/transform_internal_test.go file to check the functionality and correctness of the new functions (link, link, link, link)
• Rename the $haveAllChecksRunCompleted and $haveAnyChecksRunCompleted functions to $hasOnlyCompletedCheckRuns and modify the existing test cases accordingly (link)

[reviewpad]

Pull request is in ship mode. Reviewpad will merge it.

[ferreiratiago]

This test does not look correct.