Fix integration tests for recent DP3 and Everybeam
Update software versions used in integration tests:
- Everybeam 0.4.0
- WSClean 5.2
- DP3 5.4
Applied various changes throughout the idg-cal code to let the integration tests pass.
Update software versions used in integration tests:
Applied various changes throughout the idg-cal code to let the integration tests pass.