refs #22652 [finc] introduces WCAG variables for smallest screens [non-breaking change, can be merged]

* also adds missing !default and clarifies chunks

* adjust spelling
* close i-tag correctly

* add canEditAccount to FincILS driver
* adapt getIgnoredProfileFields for FincILS driver
* extend FincILS configuration with settings for getIgnoredProfileFields
* some code refactoring

* add getter methods for each PAIA cache key
** items
** fees
** notifications
* remove items cache after placeTitleHold
* remove items cache after

* newpassword action still uses database values

refs #22779 [finc] addendum, code style: add short description for GetUserMediaReadyToPickup AJAX handler

* improve default search tools (on bottom of result list)
* comes from de_105 (tested in finc)
* show search facets instead of tags in sidebar of author-home

* close canvas on escape key
* set focus on search-filter-toggle after closing facet sidebar
* fix skip link to sidebar facets
* fix skip link to sidebar facets - hide on mobile
* set focus on search-filter-toggle after closing facet sidebar

* TODO: check instances with "offcanvas = false" like de_l152 after VF6-upgrade

refs #22564 [finc] use event.key instead of event.keyCode

* w3c
** help: use same userLang for xml as for lang in meta tag
** add help.phtml to update html5 DocType
** adv help: use hyphens for name props
** search help: use hyphens for name props
** adv help: restore changes in root from #18999 - moved to finc accessibility
** sources list: remove href from button
** sources list: remove stray end tag for dfg link
** sources list: remove invalid and unused itemcount

* fix urls of sources list
** use url encoded quotion mark for base url
** do not use external link view helper

co-authored by: Alexander Purr <purr@ub.uni-leipzig.de>
* w3c cart / bookbag: remove redundant value="1"

* show unique occurences in all themes except foundation
* sort results

* cancelILLRequest,
* cancelHold,
* cancelStorageRetrievalRequest,
* renewals

* introduce PermissionProvider for X-Real-IP and RemoteAddr rules
* minor refactoring to fix cs issues
* refactored private getRemoteAddr to protected

* git branch --list *release* | tr -d \* | tr -d '+'| xargs git grep 'getUDKs' | grep -v function
* git branch --list *release* | tr -d \* | tr -d '+'| xargs git grep 'getSeriesWithVolume' | grep -v function

* integrate record metadata into core templates

* more flexibility on removing plugins in instances
* add $activate-on-demand variables in finc
** use to override default usage of SCSS-Plugins in instances
* finc default:
** bulkaction-visible-xs: disabled
** visited-links: disabled
** sidebar-filter-hide-checkbox: enabled

* caused missing checkboxes and remove-filter-buttons on facets in sidebar

co-authored by: André Lahmann <lahmann@ub.uni-leipzig.de>
* reintroduce ExternalLink view helper in resolverLink.phtml

* there were some slight individual changes that made them not working at the same time
* changed private getContext() Funktion to protected to allow overwritting

co-authored by: Robert Lange <robert.lange@uni-leipzig.de>
* remove old accordeon variables

* remove sidefacets from collection/view.phtml

* no security question as of now
* wont work without expansion of fidis
* added route for order deletion (requires admin rights)
* config parameters displayCols defines, 'delete' for the delete button
* using font awesome for the fa-trash symbol, can be overwritte in field-delete.html
* design changes for orderDelete
* Code Stlye changes to Delete Order Modal
** Modal has its own template now, only rendered when activated via config
** fixed a bug where the default fid delete button would have missed crucial info and had just outright deleted the entry
** known problem: the delete route is actually reacheable for any one user but will be rebuffed by fidis itself, still not entirely clean