feat: Search attribute component

[Assem-Uber]

Summary
We want to allow users to add search attributes while starting workflow. Component will allow users to get existing custom search attributes and give them value based on the attribute index type (number,date, string etc).

Screenshots

[Copilot]

Pull Request Overview

This PR introduces a new search attributes component that allows users to manage custom search attributes when starting workflows. The component provides dynamic input types based on attribute value types (string, number, boolean, datetime) and includes validation for complete entries.

Key Changes:

• Implemented a new WorkflowActionsSearchAttributes component with dynamic input type rendering based on attribute value types
• Added comprehensive test coverage with 20+ test cases covering various user interactions and edge cases
• Created reusable type definitions and constants for search attribute management

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
workflow-actions-search-attributes.types.ts	Defines TypeScript types for search attributes, including option types, item structure, and component props
workflow-actions-search-attributes.tsx	Main component implementation with dynamic input rendering, validation logic, and attribute management
workflow-actions-search-attributes.styles.ts	Styling configuration using Styletron with flex-based layout for attribute rows
workflow-actions-search-attributes.constants.ts	Constants for boolean options and input placeholders mapped to attribute value types
workflow-actions-search-attributes.test.tsx	Comprehensive test suite covering component rendering, user interactions, and validation scenarios

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[Assem-Uber]

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