Change transferFrom to transfer on send ETH

[jxnata]

Description

When sending some tokens on the Ethereum network, allowance errors were occurring due to the use of the transferFrom function, which requires prior approval.
I changed it to the ERC-20 transfer() function to avoid these errors.

Type of Change

• Bug fix (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)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have confirmed all checks make check