Auto-open campaign widget and sort by start date

[colemanw]

Overview

A followup from #13491 to make the widget act more like before.

Before

Widget requires search term before it displays any campaigns. This was done so that the filters are more discoverable, but the downside is that campaigns can't be browsed as easily.

After

The widget will auto-open and sort by start date, which should put the more current campaigns at the top.

Comments

This isn't a perfect solution but is probably the best trade-off we can get right now:

• Sorting by end_date would be better than sorting by start_date, but the underlying api3 can't do it correctly (items with end_date of null end up at the bottom of the list rather than the top where we'd want them).
• The filters will be harder to discover this way, but with no results people will see them.

[civibot]

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[colemanw]

Ping @eileenmcnaughton

[eileenmcnaughton]

@colemanw I'll git it a spin - it should be against the rc though I think

[colemanw]

@eileenmcnaughton ok I've changed the base branch to 5.11.

[eileenmcnaughton]

OK I just tested this & it looks good & allays my rc-testing concerns

[eileenmcnaughton]

lol

[colemanw]

Whoops deleted the branch too soon

[eileenmcnaughton]

some mess with tests - I think I killed the wrong one but I'm pretty sure I saw a pass in there...