refactor(ast)!: reorder fields of TemplateElement

[overlookmotel]

Re-order the fields of TemplateElement, moving tail to last. This means fields are in same order as ESTree, withou having to manually re-order them.

The field order makes no real difference here, since tail field is not visited, so I figure might as well align with ESTree.

[overlookmotel]

• refactor(ast)!: reorder fields of TemplateElement #9821 👈 (View in Graphite)
• feat(ast/estree): order TS fields last by default #9820
• feat(ast_tools/estree): check no repeated field names in #[estree(field_order)] attrs #9819
• refactor(ast_tools): pass Codegen to prepare methods #9818
• 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 Performance Report

Merging #9821 will not alter performance

_{Comparing 03-17-refactor_ast_reorder_fields_of_templateelement_ (e99a27a) with main (db946e6)}

Summary

✅ 33 untouched benchmarks

[overlookmotel]

@Boshen Just checking it's not a big problem to make small changes to AST like this? It is a breaking change as it alters the order of params to AstBuilder::template_element.

We don't have to make this change - ESTree serialization was working fine already. It's just a bit of "tidy up".