Search all ancestors of uiSref for uiSrefActive[Eq]

[seaneagan]

@timkindberg as you commented in #927, as of 0.2.11 it only checks the immediate parent element.

[blah238]

Do you think this would solve #1431?

👍 either way

[stale]

This issue has been automatically marked as stale because it has not had
recent activity. It will be closed if no further activity occurs.

This does not mean that the issue is invalid. Valid issues
may be reopened.

Thank you for your contributions.