fix(@schematics/angular): safely comment out multiline statements in refactor-jasmine-vitest

[clydin]

When refactoring unsupported or empty statements (such as pending(), expect().nothing(), and certain jasmine member assignments), the schematic previously commented out the code using a single-line comment prefix on the full text of the node. If the statement spanned multiple lines, only the first line was commented, leaving subsequent lines uncommented. This resulted in invalid syntax or unexpected compile errors.

[gemini-code-assist]

Code Review

This pull request introduces a helper function addCommentedNodeText to safely comment out multi-line TypeScript AST nodes line-by-line, preventing syntax issues when converting them to single-line comments. This helper is integrated into several transformers (jasmine-lifecycle, jasmine-matcher, and jasmine-misc) and unit tests are added. The feedback suggests avoiding the inline require statement in the unit tests and instead using standard ES imports at the top of the file for consistency.

[clydin]

This PR was merged into the repository. The changes were merged into the following branches:

• main: 59e5e96
• 22.0.x: a9b6bd9

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