Fix StateProof logic around expected value for GET_REV_REG_DELTA request.
Fix StateProof logic around expected value for GET_REV_REG_DELTA request.

Signed-off-by: Sergey Minaev <322af3f2df10918c6ef5280f56be0b711278b1ae@dsr-corporation.com>

Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,peacekeeper/indy-sdk,peacekeeper/indy-sdk,peacekeeper/indy-sdk,peacekeeper/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,peacekeeper/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,peacekeeper/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,peacekeeper/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,peacekeeper/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,peacekeeper/indy-sdk,peacekeeper/indy-sdk,peacekeeper/indy-sdk,peacekeeper/indy-sdk,peacekeeper/indy-sdk