#1980 fix mismatched v

[olehnikolaiev]

fixes #1980

fixed mismatched v field for type1 and type2 txns in txns json-rpc representation

tested on local machine comparing the results with geth
fixed unittests

no performance impact

before fix

  v: "0xf9454e86107da",
  value: 0,
  yParity: "0x1"

after fix

  v: "0x1",
  value: 0,
  yParity: "0x1"

[github-actions]

SUGGESTIONS BEFORE MERGE:

1. Build custom container here: https://github.com/skalenetwork/skaled/actions?query=workflow%3A%22Custom+Docker+and+Binary%22
2. Test it here: https://github.com/skalenetwork/skale-ci-integration_tests/actions?query=workflow%3A%22Skaled+Nightly+Tests%22
3. Edit VERSION file appropriately to your changes!
   See https://skalelabs.atlassian.net/wiki/spaces/SKALE/pages/2444951553/Branching+instructions