* fix(i18n): format renderer dates and numbers in the UI language
About 80 renderer sites formatted with the OS locale: Intl constructors
given undefined (or nothing) and argless toLocale*String calls, while
nearby text followed the UI language.
- toLocale*String calls pass getIntlLocale().
- Module-level Intl formatters and collators use new ui-intl-formatters
helpers, cached per options object and rebuilt on language switches;
per-call constructors pass getIntlLocale().
- ReleaseBuildPicker's memoized labels re-run on language changes.
- An ast-grep rule (renderer-intl-ui-locale) rejects undefined/omitted
locales in src/renderer; machine-facing code passes a fixed locale.
* fix(i18n): collators check their own locale support; re-sort memoized lists on language changes; widen the Intl guard
* fix(i18n): name the formatter options type
* fix(i18n): reuse the CSV viewer's existing language subscription
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Co-authored-by: OrcaWin <293788423+OrcaWin@users.noreply.github.com>
OrcaWinandOrcaWin
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