Implement CLR data Request methods in cDAC

[Copilot]

Implements CLRDATA_REQUEST_REVISION for ClrDataTask, ClrDataMethodDefinition, ClrDataMethodInstance, and ClrDataValue.

Changes

• Match native DAC revision values and argument validation.
• Translate invalid arguments and null output buffers to their corresponding HRESULTs.
• Cross-validate HRESULTs and revision values against the legacy DAC in debug builds.
• Cover successful requests and invalid buffer scenarios with unit tests.

Note

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[azure-pipelines]

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