i18n(DateTimePicker): native-speaker review of machine-translated presets

[IgorShevchik]

Context

PR #55 added dateTimePicker.presets.* (today / tomorrow / endOfWeek / inAWeek / endOfMonth) and backToDate / hours / minutes to all 19 locales. Translations for the following languages were generated by the author by approximation, without involvement of a native speaker:

• 🇦🇪 ar.ts (Arabic) — especially important due to RTL
• 🇮🇳 in.ts (Hindi)
• 🇹🇭 th.ts (Thai)
• 🇰🇿 kz.ts (Kazakh)
• 🇯🇵 ja.ts (Japanese)
• 🇨🇳 sc.ts (Simplified Chinese)
• 🇹🇼 tc.ts (Traditional Chinese)
• 🇻🇳 vn.ts (Vietnamese)
• 🇮🇩 id.ts (Indonesian)
• 🇲🇾 ms.ts (Malay)
• 🇪🇸 la.ts (Latin American Spanish)
• 🇵🇱 pl.ts (Polish)
• 🇺🇦 ua.ts (Ukrainian)

Already fixed as part of PR #55:

• ✅ de.ts, fr.ts, it.ts, br.ts, tr.ts — endOfWeek meant "weekend", replaced with the correct "end of week".

What needs to be done

1. Hand the list above to native speakers / in-house translators.
2. Pay special attention to:
   • the semantics of endOfWeek (it's "Friday / end of the work week", not "weekend");
   • the RTL formatting in ar.ts (word order in hints like "Tuesday, April 28");
   • grammatical gender / case where applicable (PL/UA);
   • string length (must fit into a preset card on mobile).
3. Update the locale files based on the findings.

Definition of Done

• All 18 locales have been reviewed by native speakers.
• Component snapshot tests don't change (text-only edits).
• Delivered in a single PR.

Priority: P1 — production reputation risk (especially AR/JP/CN).

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Follow-up from review of PR #55.

[IgorShevchik]

Closing as completed — the machine-translated locale strings have been proofread/reviewed.

Note: the auto-translation tooling (bx-translate-locales) has since been removed from the repo (#66), so future locale updates are manual.

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