[ ] New Pages Feed: switch filters to a three column layout with two rows.
[ ] the existing "That" label and filters move to the 2nd row
[ ] Add "Predicted class" 6 checkboxes and "Predicted issues" 4 checkboxes in row 1, columns 2 and 3. These are added in `getTriageTemplatesHTML()`
[ ] AFC: change to 3 column layout with one row
[ ] "That" label is renamed to "State"
[ ] Add "Predicted class" 6 checkboxes and "Predicted issues" 4 checkboxes in row 1, columns 2 and 3, in `getTriageTemplatesHTML()`
[ ] Nice-to-have, seemingly low level of effort: migrate template code from `getTriageTemplatesHTML()` into `PageTriage/includes/templates/newpagesfeed.mustache`
[ ] Set allowed API params
[ ] in `listControlNav.js` `getApiParams`
[ ] ensure that filters stick after use, update `menuSyncNpp` and `menuSyncAfc`
[ ] In `ApiPageTriageList.php`, update `getAllowedParams`