refs #15418 [fid_bbi] styling result list

* switches on bookbag
* unhides saved in favorites block in result list
* moves collection info for defaultRecord below data and items block, right-alogned
* changes icon size for bookbag to correspond to favorites
* removes fa-2x as this leads to wrong display in detail view
* adds css rule for large size in result list
* adds mixin to make items sr-only rather than hide them
* applies mixin to cart labels in result list
* relabels E-Mail this in cart tools to be same as E-mail this in Search tools
* changes cart icon in header
* resets check_saved_statuses for testing
* changes padding in Saved in Favorites box
* reinstates 'hidden' to savedLists