Suppress 9 pre-existing ESLint/DeepSource sonarjs errors

[vivi-the-going-merry]

Closes #3385

Broken: 9 pre-existing sonarjs ESLint errors (jQuery.inArray and pre-existing regex usages) failing ESLint/DeepSource: JavaScript, surfaced while triaging #3378.

Changed: inline eslint-disable-next-line at each site, per the issue's decision to suppress rather than refactor. No behavior change.

One correction to the issue's own site list: the third super-linear-regex occurrence is js/src/admin/admin.js:2549, not js/formidable.js:2549 — js/formidable.js only has two (896, 2287). Re-derived all 9 sites by running a standalone eslint + eslint-plugin-sonarjs@4.2.1 (matching this repo's package.json version) against the current files rather than trusting the issue's line numbers, since the issue's own numbers are a snapshot that can drift.

Verified: re-ran the same standalone eslint+sonarjs check after the edits — 0 remaining sonarjs/prefer-native-jquery-alternative/sonarjs/super-linear-regex findings across all 5 files, no new "unused eslint-disable" warnings. Didn't run this repo's own npx eslint (no npm ci locally per policy) — CI's ESLint/DeepSource jobs are the real check.

🤖 Generated with Claude Code

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[deepsource-io]

DeepSource Code Review

We reviewed changes in fc48e47...1b49999 on this pull request. Below is the summary for the review, and you can see the individual issues we found as inline review comments.

See full review on DeepSource ↗

PR Report Card

Overall Grade

Security   Reliability   Complexity   Hygiene

Code Review Summary

Analyzer	Status	Updated (UTC)	Details
PHP		Sep 18, 2026 10:17p.m.	Review ↗
JavaScript		Sep 18, 2026 10:17p.m.	Review ↗

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[Crabcyborg]

Looks good!

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