fix: more source traceback improvements [APE-1335]

[antazoey]

What I did

This helps in the case when a transaction fails before a dev message and a user gets confuses as like ape is not actually finding the dev message when actually the line it is failing on earlier. This PR shows the source traceback in that case.

before it was this:

/Users/jules/ApeProjects/yearn-vesting-escrow/tests/functional/VestingEscrowFactory/test_deploy_escrow.py:269: in test_vyper_donation
    with ape.reverts(dev_message="dev: lost donation"):

now it looks like this:

/Users/jules/ApeProjects/yearn-vesting-escrow/tests/functional/VestingEscrowFactory/test_deploy_escrow.py:269: in test_vyper_donation
    with ape.reverts(dev_message="dev: lost donation"):
E   AssertionError: Could not find the source of the revert.
E   Traceback (most recent call last)
E     File /Users/jules/ApeProjects/yearn-vesting-escrow/contracts/VestingEscrowFactory.vy, in deploy_vesting_contract
E     -->  92         vesting_start + vesting_duration,
E          93         cliff_length,
E          94         open_claim,
E          95     )
E          96     # skip transferFrom and approve and send directly to escrow
E          97     assert token.transferFrom(msg.sender, escrow, amount, default_return_value=True)  # dev: funding failed

How I did it

How to verify it

Checklist

• All changes are completed
• New test cases have been added
• Documentation has been updated

[antazoey]

Please help me merge :<