Expansion Panel has logic for using the selected simulation dataset when it shouldn't

[duranb]

Checked for duplicates

Yes - I've already checked

Is this a regression?

No - This is a new bug

Version

develop

Describe the bug

The Expansion panel currently uses both $filteredExpansionSequences and relevantExpansionSequences to drive enabled buttons. We feel that $filteredExpansionSequences is irrelevant in this use case and all logic should only use relevantExpansionSequences.

Reproduction

n/a

Logs

System Info

n/a

Severity

Minor