solution: correctly convert gas price to unit, get gas on tx creation

[codecov[bot]]

Codecov Report

Patch coverage: 9.09% and project coverage change: -0.03% :warning:

Comparison is base (f2d74b4) 31.59% compared to head (47b978c) 31.56%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1331 +/- ## ========================================== - Coverage 31.59% 31.56% -0.03% ========================================== Files 445 445 Lines 9854 9862 +8 Branches 1313 1314 +1 ========================================== Hits 3113 3113 - Misses 5513 5520 +7 - Partials 1228 1229 +1 ``` | [Files Changed](https://app.codecov.io/gh/emeraldpay/emerald-wallet/pull/1331?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emeraldpay) | Coverage Δ | | |---|---|---| | [...eateApproveTransaction/SetupApproveTransaction.tsx](https://app.codecov.io/gh/emeraldpay/emerald-wallet/pull/1331?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emeraldpay#diff-cGFja2FnZXMvcmVhY3QtYXBwL3NyYy90cmFuc2FjdGlvbi9DcmVhdGVBcHByb3ZlVHJhbnNhY3Rpb24vU2V0dXBBcHByb3ZlVHJhbnNhY3Rpb24udHN4) | `0.00% <0.00%> (ø)` | | | [...ateConvertTransaction/CreateConvertTransaction.tsx](https://app.codecov.io/gh/emeraldpay/emerald-wallet/pull/1331?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emeraldpay#diff-cGFja2FnZXMvcmVhY3QtYXBwL3NyYy90cmFuc2FjdGlvbi9DcmVhdGVDb252ZXJ0VHJhbnNhY3Rpb24vQ3JlYXRlQ29udmVydFRyYW5zYWN0aW9uLnRzeA==) | `0.00% <0.00%> (ø)` | | | [...ore/src/workflow/create-tx/CreateErc20WrappedTx.ts](https://app.codecov.io/gh/emeraldpay/emerald-wallet/pull/1331?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emeraldpay#diff-cGFja2FnZXMvY29yZS9zcmMvd29ya2Zsb3cvY3JlYXRlLXR4L0NyZWF0ZUVyYzIwV3JhcHBlZFR4LnRz) | `43.18% <10.00%> (-11.11%)` | :arrow_down: | | [...act-app/src/common/EthTxSettings/EthTxSettings.tsx](https://app.codecov.io/gh/emeraldpay/emerald-wallet/pull/1331?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emeraldpay#diff-cGFja2FnZXMvcmVhY3QtYXBwL3NyYy9jb21tb24vRXRoVHhTZXR0aW5ncy9FdGhUeFNldHRpbmdzLnRzeA==) | `56.75% <50.00%> (ø)` | | | [...es/react-app/src/transaction/CreateTx/CreateTx.tsx](https://app.codecov.io/gh/emeraldpay/emerald-wallet/pull/1331?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emeraldpay#diff-cGFja2FnZXMvcmVhY3QtYXBwL3NyYy90cmFuc2FjdGlvbi9DcmVhdGVUeC9DcmVhdGVUeC50c3g=) | `64.81% <100.00%> (ø)` | |

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