fix(parser): forbid acessors named constructor

[DonIsaac]

Closes #14014

[graphite-app]

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[Copilot]

Pull Request Overview

This PR prevents class accessor properties from being named "constructor" by adding validation and appropriate error handling in the parser.

• Adds validation to check if accessor properties are named "constructor"
• Introduces a new diagnostic error for this invalid case
• Imports the GetSpan trait needed for accessing the span information

Reviewed Changes

Copilot reviewed 2 out of 4 changed files in this pull request and generated 1 comment.

File	Description
crates/oxc_parser/src/js/class.rs	Adds validation logic to forbid accessor properties named "constructor"
crates/oxc_parser/src/diagnostics.rs	Introduces new diagnostic error function for constructor accessor violations

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[Boshen]

ts reports

"Classes may not have a field named 'constructor'.(18006)"

[Boshen]

ts reports

"Classes may not have a field named 'constructor'.(18006)"

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #14015 will not alter performance

_{Comparing DonIsaac:don/parser/fix/accessor-constructor (52be6af) with main (36ac0fb)}

Summary

✅ 37 untouched

[DonIsaac]

I accidentally committed changes from another branch onto this one... gonna re-create this PR