Fix lint issues in SpringAnimation (#55364)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/55364

Fixed multiple lint issues in SpringAnimation.kt:

1. FieldsBelowInit: Moved isAtRest and isOvershooting computed properties
   above the init block to follow Kotlin initialization order conventions.

2. MixedConditionalOperators: Added explicit parentheses to clarify operator
   precedence in boolean expressions mixing && and ||.

changelog: [internal] internal

Reviewed By: javache

Differential Revision: D91738503

fbshipit-source-id: 9968dc5c07f8a1023ef1f700f4dca26321a5692c