[PATCH v2 0/3] MR11548: rometadata: IMetaDataImport implementation, part 4

[Vibhav Pant (＠vibhavp)]

Implement `EnumMembers`, `EnumMembersWithName`, and `FindMember`. Also add some tests for `EnumCustomAttributes` and `GetCustomAttributeProps`.

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  v2: rometadata: Add tests for IMetaDataImport::{EnumCustomAttributes, GetCustomAttributeProps}.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/11548