PX1096 does not detect incompatibility in ref/out parameters

[SENya1990]

MERGE ONLY AFTER PR #653

Changes Overview

• enhanced parameters comparison to check ref kinds of parameters
• enhanced return types comparisons to check ref kinds of return types
• added unit test for PX1096 to test signature mismatch for ref/out parameters

[Copilot]

Pull request overview

This PR fixes handling of ref and out parameters in method signature comparison logic to properly detect signature mismatches in PXOverride methods.

Changes:

• Enhanced method signature comparison to check RefKind property for both methods and parameters
• Added parameter equality checks for RefKind and IsOptional properties with fallback to OriginalDefinition comparison
• Added test case verifying detection of ref/out parameter mismatches in PXOverride methods

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
IMethodSymbolExtensions.cs	Enhanced signature comparison to check RefKind for methods and parameters, including IsOptional checks
AcumaticaOverridesHelper.cs	Added RefKind validation when comparing base delegate parameters
PXOverrideRefAndOutParametersMismatch.cs	Test source demonstrating ref/out parameter mismatch scenario
PXOverrideMismatchTests.cs	Added test case to verify ref/out parameter mismatch detection

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