fix: onSelectionChange type incorrect

[winchesHe]

Closes #2512

📝 Description

1. Complete the Selection type add addtional key like as shown in the picture below

Add a brief description

⛳️ Current behavior (updates)

Please describe the current behavior that you are modifying

🚀 New behavior

Please describe the behavior or changes this PR adds

💣 Is this a breaking change (Yes/No):

📝 Additional Information

Summary by CodeRabbit

• New Features

  • Enhanced selection types for Dropdown and Select components to support Iterable collections.
  • Updated onSelectionChange handlers to include additional properties for better state management.

• Documentation

  • Updated documentation for Dropdown and Select components to reflect changes in selection types and onSelectionChange signatures.