Use SwapBuilder everywhere inside crate
Integration tests will be done later
--- don't change below this line ---
ENG-4696 Took 1 hour 56 minutes
Took 4 minutes
- Needed to change the integration test setup to use two USV3 pools instead of one V3 and V2, since the V2 pool was taking too much fees for the order to be fulfilled.
- Also needed to change the fork block to make this test work, which meant also needing to update the data for the existing testExecute.
- Needed to update the filler address with the one from the test
- Removed unnecessary approval from non-integration test. The approval is now performed in the callback method.
