`role=link` breaks screen readers' table navigation commands
I haven't used a screen reader; creating this issue to see if we can finalize suggestions made in #2245
@metamoni created #2245 to get rid of redundant ARIA roles but the link role used in tables is referenced by CSS that makes the row show up as clickable.
role=link was introduced along with tabindex=0 in #1557 to make the whole row clickable when possible, leaving links in the individual cell contents are a fallback (see comment).
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