[KBM] Modifier Key (Not right or left) stuck problem solved.

[gokcekantarci]

Summary of the Pull Request

When shortcut set a modifier key without left or right, It sticks. To solve that if modifier is "both", event is set with which actual modifier key is pressed.

PR Checklist

• Closes: Keyboard shortcut causes Ctrl key to act stuck #17035
• Communication: I've discussed this with core contributors already. If work hasn't been agreed, this work might be rejected
• Tests: Added/updated and all pass
• Localization: All end user facing strings can be localized
• Dev docs: Added/updated
• New binaries: Added on the required places
  • JSON for signing for new binaries
  • WXS for installer for new binaries and localization folder
  • YML for CI pipeline for new test projects
  • YML for signed pipeline
• Documentation updated: If checked, please file a pull request on our docs repo and link it here: #xxx

Detailed Description of the Pull Request / Additional comments

Validation Steps Performed

• Set shortcut Ctrl + any key
• Press Ctrl (Left) + key
• Press Ctrl (Right) + key
• Check if Ctrl key is stuck or not