refactor(codegen): adjust some source mappings

[Boshen]

closes #12395

[graphite-app]

How to use the Graphite Merge Queue

Add either label to this PR to merge it via the merge queue:

• 0-merge - adds this PR to the back of the merge queue
• hotfix - for urgent hot fixes, skip the queue and merge this PR next

You must have a Graphite account in order to use the merge queue. Sign up using this link.

An organization admin has enabled the Graphite Merge Queue in this repository.

Please do not merge from GitHub as this will restart CI on PRs being processed by the merge queue.

[Copilot]

Pull Request Overview

This PR refactors source mapping placement throughout the codegen module to improve accuracy and consistency. The changes adjust when and where source mappings are added during code generation to better align with the actual output positions.

• Moves source mapping calls to more appropriate positions relative to code output
• Removes some redundant source mappings
• Adds source mappings for previously unmapped constructs like formal parameters and call expressions

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #13084 will improve performances by 5.13%

_{Comparing 08-13-refactor_codegen_adjust_some_sourcemappings (5223562) with main (fe4589b)¹}

Summary

⚡ 1 improvements
✅ 33 untouched benchmarks

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	codegen[cal.com.tsx]	35.5 ms	33.7 ms	+5.13%

Footnotes

1. No successful run was found on main (5223562) during the generation of this report, so fe4589b was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

[Boshen]

Merge activity

• Aug 14, 9:13 AM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Aug 14, 9:54 AM UTC: Boshen added this pull request to the Graphite merge queue.
• Aug 14, 9:59 AM UTC: Merged by the Graphite merge queue.