refs #22932 [finc] vf7 template revision

* fixes errors in bookbag delet menu
* corrects cart dropdowns
** removes redundant value=1 entries
** changes file to look like PR https://github.com/vufind-org/vufind/pull/2669
* adds SCSS for focus highlighting to bookbag dropdowns
* corrects another dropdown menu with correc aria roles
* improves finc missing icon by replacing hidden-xs with sr-only
* improves finc missing icon by replacing hidden-xs with custom sr-only + visible MD/XL
* Replaces caption in solrMarc core
* SCSS active filters + search terms
* corrects spelling of variable
* SCSS active filters + search terms, corrects spelling of variable
* corrects use of misspelled variable
* adds missing !default flags + custom visibility class