KeyDown Event is getting triggered for every character entered in TextInput

Problem Description

For PR #14946 , during implementation of onScroll , we couldn't emit the event , when up arrow or down arrow button is pressed.
Cause on every text pressed the onKeyDown event is getting triggered. Because of this , we couldn't emit onScroll event for keyup and keydown

Steps To Reproduce

i) Debug the RNW
ii)Set the debug point to onKeyDown function in windowsTextInput and open textInput and type something.

Expected Results

No response

CLI version

17.0.0

Environment

System:
  OS: Windows 11 10.0.26100
  CPU: "(16) x64 AMD EPYC 7763 64-Core Processor                "
  Memory: 37.41 GB / 63.95 GB
Binaries:
  Node:
    version: 22.17.0
    path: C:\Program Files\nodejs\node.EXE
  Yarn:
    version: 1.22.22
    path: C:\Program Files (x86)\Yarn\bin\yarn.CMD
  npm:
    version: 10.9.2
    path: C:\Program Files\nodejs\npm.CMD
  Watchman: Not Found
SDKs:
  Android SDK: Not Found
  Windows SDK:
    AllowDevelopmentWithoutDevLicense: Enabled
    Versions:
      - 10.0.19041.0
      - 10.0.22621.0
      - 10.0.26100.0
IDEs:
  Android Studio: Not Found
  Visual Studio:
    - 17.14.36301.6 (Visual Studio Enterprise 2022)
Languages:
  Java: Not Found
  Ruby: Not Found
npmPackages:
  "@react-native-community/cli": Not Found
  react: Not Found
  react-native: Not Found
  react-native-windows: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: Not found
  newArchEnabled: Not found
iOS:
  hermesEnabled: Not found
  newArchEnabled: Not found

Community Modules

No response

Target React Native Architecture

None

Target Platform Version

None

Visual Studio Version

None

Build Configuration

None

Snack, code example, screenshot, or link to a repository

No response