fix: emit current orientation on subscribe

[mrousavy]

Summary

• Emit the current orientation immediately when the existing iOS and Android managers start updates
• Refresh Android interface orientation when subscribing
• Clear retained native listener handles on stop and ignore queued stale Android callbacks
• Reset the useOrientation snapshot when its source changes

Why

The managers could already know their current orientation before JavaScript subscribed, but only delivered later changes. If the device or interface did not rotate afterward, the hook could remain undefined or expose a stale value. Listener handles also remained retained after teardown in some paths.

This keeps the existing startOrientationUpdates / stopOrientationUpdates API and fixes the behavior in place.

Validation

• bun camera typecheck
• ./gradlew :react-native-vision-camera:compileDebugKotlin --no-daemon --console=plain
• VisionCamera iOS simulator scheme build with xcodebuild
• Focused Kotlin and Swift formatting checks
• git diff --check

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Project	Deployment	Actions	Updated (UTC)
react-native-vision-camera-docs	Ready	Preview	Aug 12, 2026 6:31pm