Fix/formatter line comment indent

[xterao]

Align line comments with the same indent as the element immediately below

[Copilot]

Pull Request Overview

This PR fixes the alignment of line comments in the SQL formatter. The key changes include:

• Updating SQL test files to align line comments with the subsequent SQL element.
• Adjusting the calculation of indentation in the Kotlin SQL line comment block.
• Ensuring consistency between test data and formatted output files.

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
src/test/testData/sql/formatter/Select.sql	Introduces new comment lines without additional indent; verify intended alignment.
src/test/testData/sql/formatter/FormattedSelect.sql	Updates comment lines with proper indentation to reflect expected output.
src/main/kotlin/org/domaframework/doma/intellij/formatter/block/SqlLineCommentBlock.kt	Updates indentation logic to use the parent element's indent length for consistent alignment.

Comments suppressed due to low confidence (2)

src/test/testData/sql/formatter/Select.sql:18

• The comment '-- Line1' in the test data file does not include the indentation applied in the formatted version. Verify that the expected indentation in this test file matches the output shown in FormattedSelect.sql for consistency.

+-- Line1

src/main/kotlin/org/domaframework/doma/intellij/formatter/block/SqlLineCommentBlock.kt:58

• Replacing the fixed return value with 'it.indent.indentLen' can improve alignment consistency; ensure this change covers all edge cases where the element's indent may vary.

return it.indent.indentLen