refactor: project settings page

[3em]

• Renamed useTranslation[s]Store to useTranslationStore for consistency
• Renamed ProjectSettingsPage to ProjectSettingsTabNav according to ProfileSettingsTabNav
• Connected components to the translation store
• Renamed duplicated component (SettingsLayout) properly - ProfileSettingsLayout and ProjectSettingsLayout
• Fixed disabled state for Label component
• Refactored Legend component and added it to the Project Settings Page
• Fixed a bunch of margins/paddings

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✅ 3em
❌ ankormoreankor
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