Fix sorting

[JackWilb]

Does this PR close any open issues?

Depends on #391 Closes #259 Closes #260

Give a longer description of what this PR addresses and why it's needed

Fixes matrix sorting. You can now sort by node, cluster, etc.

Provide pictures/videos of the behavior before and after these changes (optional)

Are there any additional TODOs before this PR is ready to go?

TODOs:

• [x] Fix lineup sorting. I need to figure out how to make the lineup order change and how to get changes from lineup back to the store. (#260, might close after)
• [x] Check that sorting twice causes reset
• [x] Check if this fixes #294 (it does not)
• [x] Fix lineup highlighting and selection (needs translation through the sortOrder array)
• [x] Make lineup sort not persistent when sorting in matrix (#397)
• [x] Open an issue for lineup grouping matching the matrix (#398)

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[gotdairyya]

Added pointer CSS to make it clear that the sorting icons act as buttons.

[JackWilb]

Looks and works well.

A couple of things I noticed, neither of which are critical:

* It's not intuitive what the sort should do in cases where there is aggregation

This is tracked in #294

* The sort treats all row labels as strings which gets funky with numbers

I'll fix this before merge