refs #20536 [fid_bbi] initial implementation of result grouping

* style changes for result grouping, rather big change, not final design, put fav and pin action button in its own template file
* style changes to result grouping, mirrors design proposal to around 80%
* testing version for compact design of result grouping
* result grouping, fixed pin javascript, favorites still acting up, some css adjustments
* css adjustments for resultgrouping