Refactor persistNFT methods in web3 tests

[filev94]

Problem

In web3 tests, there are persistNft private methods that can be extracted to the parent class AbstractContractCallServiceTest. nonFungibleTokenPersist also can be refactored just like the fungibleTokenPersist() method.

Solution

Extract persistNft private method into abstract class and modify nonFungibleTokenPersist and methods around it, similar to fungibleTokenPersist()

Alternatives

No response