title	issue	author	author_email	author_github
Sanitize HTML contents of fields and CMS text elements	NEXT-15172	d.neustadt	d.neustadt@shopware.com	dneustadt

Core

Changed dependency of ezyang/htmlpurifier from Storefront to Core
Added HtmlSanitizer service to framework utils
Changed former htmlPurifier config from Storefront to Core as shopware.html_sanitizer
Added $sanitize constructor parameter to AllowHtml field flag to specify whether html content should be sanitized as per HtmlSanitizer
Changed hanlding of text CMS element contents in TextCmsElementResolver to sanitize HTML

Administration

Added sanitizeInput and sanitizeFieldname property to SwTextEditor and SwCodeEditor component
Added userInputSanitizeService with sanitizeInput({ html, field }) method to receive a preview of backend sanitization
Changed SwCodeEditor onBlur() behavior to use userInputSanitizeService if sanitizeInput property is set
Added sanitizeEditorInput(value) function to SwCodeEditor for previewing sanitized content to the user