* adds cast to array for index 'about'

refs #21063 [fid] changes after using PHP CS Fixer 3.1.0 instead of 2.14.0 (friendsofphp/php-cs-fixer)

* PHP CS Fixer 3.1.0 is used in VuFind8
* working just with test/vufind.php-cs-fixer.php ruleset from VuFind8
** with updated ruleset
** some rule names / settings changed because of fixer version
* running by command:
** ../VuFind8/vendor/bin/php-cs-fixer fix --config=../VuFind8/tests/vufind.php-cs-fixer.php module/fid

* vendor/bin/phpcbf --standard=tests/phpcs.xml module/fid/
* vendor/bin/php-cs-fixer fix --config=tests/vufind.php_cs module/fid
* using PHP_CodeSniffer 3.6.2 instead of 3.4.0 (squizlabs/php_codesniffer)

* move logic from templates to record view helper
* keep special case for source id 56
* combine key by Format and Access and concatenate facet values
* map icons in separate config file iconMapping.ini

* configure style based icons in separate config file iconMapping.ini
* specify mapping by type and set defaults for finc (transfered and simplified from record-icon-class.phtml)
* fetch single or multiple facets in recordViewHelper and merge them - specified by type and concatenateKeys
* remove obsolete templates record-icon-class.phtml, record-icon-class, record-icon-sprite, and record-icon-sprite-class
* map icons by facetAvail (default)
* add mapping by format (alternative)
* add additional translations
* use lowercase for format icon mapping

* add template for multiple lines with horizontal rows in one table data
* add css classes for more detailed margins
* add translations for aditional titles, TODO: remove from de_15 and rk_le

* escape url manually (coming from VuFind)
* translate label again (was falsely removed on previous commits)
* enable automatic label escaping by removing 4th parameter

* TODO PR / refactoring of link templates

* improve sourcecode

* move translations into new text domain LiberoAccount

* add src for ajax skeleton img
* fix for cover: avoid exception for empty file name (FincMissing)
* log exceptions of wachtl loan history call

* improve sourcecode

* move translations into new text domain LiberoAccount

* move getWachtlPickUpLocations from de_zwi2, de_d13 to LiberoWachtlTrait for PAIA usage to fetch pickUpLocations
* move getPickUpLocations from de_105, de_l152, de_15, de_ch1 to FincLibero for DAIA usage to fetch pickUpLocations
** check for config var "useWachtlPickupLocations" to use LiberoWachtlTrait
** check for useDaiaLocationId to use FincIls getPickUpLocations
** otherwise use customData from getCustomData

* refactor parseDaiaArray for getPickUpLocations
** set item_id for non-title-hold orders (storage retrieval request)
** also refs #20223

* encapsulate shorthand if correctly

* set origin in lightbox on target
* TODO: print button, remove data-lightbox-ignore?

* define hierarchy tree tab as ajax-loadable
* fix: set aria-controls for ajax tabs just-in-time to avoid reference of aria to unloaded tab-content, also #19938

* copy and modify boostrap cart.js to finc-accessibility
* integrate changes of #18034 to finc-accessibility/cart.js
* delete cart-finc.js