Pull request #1764: PIPE-3002: importdata weblog might not render correctly if a polcal field selected for a parallactic angle plot is present in one EB but not the other, within a single session
Merge in PIPE/pipeline from PIPE-3002-importdata-weblog-might-not-render-correctly-if-a-polcal-field-selected-for-a-parallactic to main
* commit 'b3cdb891bd8c5b1b00db9fa2bc02d97a6e7f86c4': PIPE-3002: renamed variable inside list comprehension to prevent shadowing and confusion with the outside variable of the same name; added same safeguard in hifv/importdata/renderer as in hifa
added conditional intent filtering to plotms call; changed intent mapping to a list and removed the early mapping to CASA intents PIPE-3002: removed unnecessary context property added to InputContainer PIPE-3002: updated parallactic-angle intent filtering; fixed bug in vdp.InputContainer to make sure the context object is present for multi-MS runs
PIPE-3002: renamed variable inside list comprehension to prevent shadowing and confusion with the outside variable of the same name; added same safeguard in hifv/importdata/renderer as in hifa
