Add isBoundAppRefreshTokenRequested property and constants for reques…

[ameyapat]

…ting BARTs

Proposed changes

Add a property in request parameters so that calling application can indicate to broker that it is capable of requesting and handling BARTs (Bound App Refresh Tokens)

Type of change

• Feature work
• Bug fix
• Documentation
• Engineering change
• Test
• Logging/Telemetry

Risk

• High – Errors could cause MAJOR regression of many scenarios. (Example: new large features or high level infrastructure changes)
• Medium – Errors could cause regression of 1 or more scenarios. (Example: somewhat complex bug fixes, small new features)
• Small – No issues are expected. (Example: Very small bug fixes, string changes, or configuration settings changes)

Additional information

[Copilot]

Pull Request Overview

This PR adds support for Bound App Refresh Tokens (BARTs) by introducing a new property and constants that allow calling applications to indicate their capability to request and handle BARTs.

• Adds isBoundAppRefreshTokenRequested property to MSIDRequestParameters for BART capability signaling
• Introduces two new constants: MSID_BOUND_RT_EXCHANGE for OAuth2 operations and MSID_BOUND_RT_REDEEM for general BART operations

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
IdentityCore/src/parameters/MSIDRequestParameters.h	Adds the isBoundAppRefreshTokenRequested property declaration
IdentityCore/src/MSIDOAuth2Constants.m	Implements the MSID_BOUND_RT_EXCHANGE constant
IdentityCore/src/MSIDOAuth2Constants.h	Declares the MSID_BOUND_RT_EXCHANGE constant
IdentityCore/src/MSIDConstants.m	Implements the MSID_BOUND_RT_REDEEM constant
IdentityCore/src/MSIDConstants.h	Declares the MSID_BOUND_RT_REDEEM constant

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