chore: Verifies if localization is enabled in settings before showing LocalizationButton

[hellofanny]

What's the purpose of this pull request?

Don't display LocalizationButton if localization flag is not enabled in discovery.config.

How to test it?

1. Set localization.enabled to false

localization: {
    enabled: false,
    defaultLocale: 'pt-BR',
    ....
  }

2. Localization button shouldn't appear.

Summary by CodeRabbit

• Refactor
  • Enhanced localization feature control with improved gating logic across navigation components.
  • Localization button now respects combined feature flag and availability conditions before rendering in both desktop and mobile views.
  • Streamlined localization state management with consistent enable/disable checks.

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📝 Walkthrough

Walkthrough

The changes introduce consistent feature flag-based gating for localization functionality by creating a computed isLocalizationEnabled condition that combines the store's localization config setting with the button's display flag. This gating is applied across navigation components and the localization button, with early-return guards added to prevent execution when localization is disabled.

Changes

Cohort / File(s)	Summary
Navigation Components packages/core/src/components/navigation/Navbar/Navbar.tsx, packages/core/src/components/navigation/NavbarSlider/NavbarSlider.tsx	Introduce isLocalizationEnabled computed flag combining storeConfig.localization?.enabled and localizationButton?.shouldDisplayLocalizationButton; replace previous conditional with new flag for consistent gating of LocalizationButton rendering in desktop and mobile contexts.
Localization Components & Hooks packages/core/src/components/ui/LocalizationButton/LocalizationButton.tsx, packages/core/src/sdk/localization/useLocalizationConfig.tsx	Add runtime guards via early returns when storeConfig.localization?.enabled is falsy, preventing LocalizationButton rendering and short-circuiting localization config hook execution.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Possibly related PRs

• chore: change namings from i18n to localization #3176: Modifies the same localization-related files (Navbar, NavbarSlider, LocalizationButton, useLocalizationConfig hook) with complementary localization configuration changes.

Suggested labels

enhancement

Poem

🐰 A whisper through the localization gate,
Where configs dance with buttons' fate,
Early returns guard the way,
Only when enabled, locales play!
✨

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% 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 specifically describes the main change: verifying if localization is enabled before displaying the LocalizationButton, which aligns with the changeset's objective and modifications across multiple components.

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[renatomaurovtex]

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Actionable comments posted: 1

🤖 Fix all issues with AI agents

In `@packages/core/src/sdk/localization/useLocalizationConfig.tsx`:
- Around line 15-17: The early return in useLocalizationConfig causes a Rules of
Hooks violation by conditionally skipping hooks; remove the top-level return and
instead evaluate config.localization?.enabled inside the useState initializer
(the call to useState at line where state is created) so hooks (useState and
useEffect) execute unconditionally, then after hooks run return undefined or the
Settings value as before; update any conditional logic in the useEffect (the
effect that depends on localization) to no-op when enabled is false. Ensure
references to useState and useEffect in useLocalizationConfig remain in the same
order and only the initializer and effect body check
config.localization?.enabled.