refactor(estree): use SliceIterExt in string serializer

[overlookmotel]

Use SliceIterExt trait in the string serializer, to reduce repeated code.

[overlookmotel]

• refactor(estree): use SliceIterExt in string serializer #12297 👈 (View in Graphite)
• refactor(codegen): use SliceIterExt in string printer #12296
• refactor(transform/styled-components): use SliceIterExt #12295
• feat(data_structures): SliceIterExt extension trait #12294
• perf(transform/styled-components): optimize removal loop #12284
• refactor(transform/styled-components): rename var #12283
• refactor(transform/styled-components): update comments #12282
• main

---

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.

This stack of pull requests is managed by Graphite. Learn more about stacking.

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #12297 will not alter performance

_{Comparing 07-15-refactor_estree_use_sliceiterext_in_string_serializer (42abcd2) with 07-15-refactor_codegen_use_sliceiterext_in_string_printer (bb047a9)}

Summary

✅ 34 untouched benchmarks

[Boshen]

Merge activity

• Jul 16, 1:20 AM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Jul 16, 1:20 AM UTC: Boshen added this pull request to the Graphite merge queue.
• Jul 16, 1:43 AM UTC: Merged by the Graphite merge queue.