chore: change namings from i18n to localization

[lariciamota]

What's the purpose of this pull request?

Change I18nButton and I18nSelector to LocalizationButton and LocalizationSelector.

How it works?

Changed the components, styles and CMS sections names.

How to test it?

I've synced with brandless account and published the Global Sections.

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References

• Slack threads: [1] and [2]

Summary by CodeRabbit

• Refactor
  • Renamed Internationalization terminology to Localization throughout the user interface for improved clarity and consistency. Updated button labels, selector components, and navigation elements to reflect the new naming convention.

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📝 Walkthrough

Walkthrough

A systematic refactoring renames internationalization (i18n) terminology to localization across configuration, components, and stylesheets. Component names, props, type interfaces, DOM attributes, and import paths are consistently updated from i18n variants to localization variants throughout the codebase.

Changes

Cohort / File(s)	Change Summary
CMS Schema Configuration packages/core/cms/faststore/sections.json	Renamed section keys and titles: i18nButton → localizationButton, i18nSelector → localizationSelector; internal field shouldDisplayI18nButton → shouldDisplayLocalizationButton
Localization Button Component packages/core/src/components/ui/LocalizationButton/LocalizationButton.tsx, packages/core/src/components/ui/LocalizationButton/index.ts	Renamed component default export I18nButton → LocalizationButton; renamed props interface I18nButtonProps → LocalizationButtonProps; updated imports and data attributes from data-fs-i18n-button-* → data-fs-localization-button-*
Localization Selector Component packages/core/src/components/localization/LocalizationSelector/LocalizationSelector.tsx, packages/core/src/components/localization/LocalizationSelector/index.ts, packages/core/src/components/localization/LocalizationSelector/section.module.scss, packages/core/src/components/localization/index.ts	Renamed component default export I18nSelector → LocalizationSelector; renamed props interfaces and internal component from I18nSelector* → LocalizationSelector*; updated data attributes from data-fs-i18n-selector-* → data-fs-localization-selector-*; added new re-export at localization index
Removed i18n Component Exports packages/core/src/components/i18n/I18nSelector/index.ts, packages/core/src/components/i18n/index.ts, packages/core/src/components/ui/I18nButton/index.ts	Removed public re-exports of I18nButton and I18nSelector components
Navigation Components packages/core/src/components/navigation/Navbar/Navbar.tsx, packages/core/src/components/navigation/NavbarSlider/NavbarSlider.tsx, packages/core/src/components/sections/Navbar/Navbar.tsx	Updated props destructuring and usage: i18nButton/i18nSelector → localizationButton/localizationSelector; renamed internal variables (i18nIcon → localizationIcon, i18nTitle → localizationTitle, etc.); replaced component imports from I18nButton to LocalizationButton
SDK and Hook Updates packages/core/src/pages/_app.tsx, packages/core/src/sdk/localization/useBindingSelector.ts	Updated import paths to use src/sdk/localization instead of src/sdk/i18n; renamed internal variable i18nConfig → localizationConfig with updated references
Test Files packages/core/test/sdk/localization/bindingSelector.test.ts, packages/core/test/sdk/localization/useBindingSelector.test.tsx	Updated import paths to resolve from src/sdk/localization instead of src/sdk/i18n
Stylesheet Updates packages/ui/src/components/organisms/LocalizationSelector/styles.scss, packages/ui/src/components/organisms/Navbar/styles.scss, packages/ui/src/components/organisms/NavbarSlider/styles.scss, packages/ui/src/styles/components.scss	Renamed CSS attribute selectors from [data-fs-i18n-button]/[data-fs-i18n-selector-*] to [data-fs-localization-button]/[data-fs-localization-selector-*]; updated SCSS import paths for component stylesheets

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

🐰 Hoppity-hop through code we go,
Old i18n names had to blow,
Now localization's the freshest speak,
Components renamed, patterns sleek! ✨
Data attributes hopped along too,
A refactoring dance, sparkling new! 🌟

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 40.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and accurately describes the main change: renaming conventions from 'i18n' to 'localization' across components, props, and related artifacts.

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[lariciamota]

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Actionable comments posted: 1

🤖 Fix all issues with AI agents

In `@packages/core/src/sdk/localization/useBindingSelector.ts`:
- Line 68: The code reads storeConfig.i18n which doesn't exist; update the
assignment that defines localizationConfig (in useBindingSelector) to read
storeConfig.localization instead so localizationConfig is the expected
LocalizationConfig object used later (e.g., localizationConfig.locales,
localizationConfig.regions), or alternatively ensure the app's discovery config
supplies a top-level i18n property with the full LocalizationConfig; prefer
changing the access to storeConfig.localization to match existing
discovery.config keys.

[hellofanny]

Thanksss!
I think we can just add this change for now.

🎗️ run cms sync after merging this PR 😬