[ExistingDataTable] Show all glosses, with primary analysis lang first

[imnasnainaec]

Fixes #2686

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This change is 

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

see 1 file with indirect coverage changes

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[jasonleenaylor]

src/components/DataEntry/ExistingDataTable/ImmutableExistingData.tsx line 23 at r2 (raw file):

        item
        xs={5}
        key={"vernacular_" + props.vernacular}

So it's happy (no warnings) without a key here now?

[jasonleenaylor]

Reviewed 5 of 8 files at r1, 3 of 3 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @imnasnainaec)