Add GetDeclaringType to PropertyDefinition and EventDefinition.

[teo-tsirpanis]

Fixes #60380. Implementation follows the corresponding methods for method and field definitions, except that the binary search is performed on rows of the PropertyMap and EventMap tables for properties and fields respectively.

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[dotnet-issue-labeler]

Note regarding the new-api-needs-documentation label:

This serves as a reminder for when your PR is modifying a ref *.cs file and adding/modifying public APIs, please make sure the API implementation in the src *.cs file is documented with triple slash comments, so the PR reviewers can sign off that change.

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src/libraries/System.Reflection.Metadata/src/System/Reflection/Metadata/TypeSystem/PropertyDefinition.cs:72

• The new method GetDeclaringType should be covered by tests to ensure its correctness.

public TypeDefinitionHandle GetDeclaringType()

src/libraries/System.Reflection.Metadata/src/System/Reflection/Metadata/MetadataReader.cs:1370

• Ensure that the new method GetDeclaringType for PropertyDefinitionHandle is covered by tests.

return PropertyMapTable.FindTypeContainingProperty(propertyDef.RowId, PropertyTable.NumberOfRows);

src/libraries/System.Reflection.Metadata/src/System/Reflection/Metadata/MetadataReader.cs:1360

• Ensure that the new method GetDeclaringType for EventDefinitionHandle is covered by tests.

return EventMapTable.FindTypeContainingEvent(eventDef.RowId, EventTable.NumberOfRows);

src/libraries/System.Reflection.Metadata/src/System/Reflection/Metadata/TypeSystem/EventDefinition.cs:60

• The new method GetDeclaringType should be covered by tests to ensure it works as expected.

public TypeDefinitionHandle GetDeclaringType()