XDM: Accept the fraud proof if the bad receipt marks a non XDM containing bundle as invalid bundle with InvalidXDM #2666
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This PR fixes fraud proof verification for false invalid XDM case.
If a bad receipt marks a bundle with non-XDM extrinsic as Invalid bundle with extrinsic as InvalidXDM, verifier was rejecting the fraud proof. This change will accept the fraud proof when it is a false invalid and challenged extrinsic is not a XDM extrinsic.
closes: #2660
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