epv7 fixes after testing

[0xSulpiride]

Description

• fixed error handling - the error message wasn't reported correctly to the sdk
• fixed eslint

Tested simple native transfer:
https://sepolia.etherscan.io/tx/0xd998602ac163acb1a32be3ca641b75ffbef116ca0d8e953c71921700f2a6c534
https://sepolia.etherscan.io/tx/0x26d1a5798eeee8bf71eeb7661b296504e68f741e940f17d48783d849f293e3d1

Types of changes

What types of changes does your code introduce?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Other (please describe):

Further comments (optional)