fix(android): emit didFocus after parent translate animation

[lodev09]

Summary

On Android, when a child sheet is dismissed in a stack, the parent's onDidFocus was firing immediately at the end of the child's dismiss animation — before the parent's translate-up animation began. It now fires after the parent's translate animation completes, so JS sees the focus event when the parent has visually settled back into place.

Refactored the dismiss flow so event orchestration lives in TrueSheetView.viewControllerDidDismiss instead of leaking into resetTranslation:

• translateSheet accepts an optional onEnd callback wired through withEndAction
• resetTranslation stays pure — translate + cascade only
• StackManager.unregisterSheet is just a registry op (no return value)
• The actual parent reference is passed through the delegate (was hadParent: Boolean), so cross-container scenarios target the correct sheet for both translation and the focus event
• Guarded with isPresented && !isBeingDismissed so cascade dismiss (parent dismissing while child dismisses on top of it) doesn't fire focus on a dying parent

Type of Change

• Bug fix

Test Plan

• Stacked sheet dismiss → parent's onDidFocus fires after parent slides back up
• Single sheet dismiss → no onDidFocus event (unchanged)
• dismissAll cascade → no spurious onDidFocus on dying parents

Checklist

• I tested on iOS
• I tested on Android
• I tested on Web

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Project	Deployment	Actions	Updated (UTC)
react-native-true-sheet	Ready	Preview, Comment	Apr 26, 2026 1:19am

[lodev09]

🚀 This pull request is included in v3.10.1. See Release 3.10.1 for release notes.