Pull request #1751: PIPE-2990: fixed leading ',' in warning weblog message for ignored antennas
Merge in PIPE/pipeline from PIPE-2990-fix-leading-comma-in-warning-antennas-to-be-ignored-weblog-messages to main
* commit 'deae224f069e5606542fd1f80980c48b3d4c49c8': PIPE-2990: minor changes suggested during PR review PIPE-2990: added build_refantignore to build ignore refant and added test for it PIPE-2990: fix refantignore handling PIPE-2990: fixed leading ',' in warning weblog message for ignored antennas