Fix mobile deep links for new release push notifications

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Summary

• fixed mobile push-open navigation for artist subscription release notifications so taps route to the released entity (track/album/playlist) instead of falling back to profile
• added explicit handlers for identity push types CreateTrack, CreateAlbum, and CreatePlaylist in packages/mobile/src/hooks/useNotificationNavigation.ts
• hardened entity id/type extraction for push payload variants (entityId, metadata snake/camel fields, and action entities)
• made UserSubscription in-app notification routing resilient to duplicate/missing entityIds to avoid wrong or empty navigation targets

Testing

• code-level validation of notification routing map and fallbacks in useNotificationNavigation
• eslint/full workspace lint could not be executed in this environment because dependencies/binaries are not installed

  

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Latest commit: fd37b78

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