Remove base64 asset data when indexing wysiwyg fields#288

BlackbitDevs wants to merge 3 commits intopimcore:2.xpimcore/generic-data-index-bundle:2.xfrom

BlackbitDevs:bugfix/index-remove-base64-for-wysiwyg-fieldsBlackbitDevs/generic-data-index-bundle:bugfix/index-remove-base64-for-wysiwyg-fieldsCopy head branch name to clipboard