workaround in facet highlighting: color is set to black because the facets have to stay readable
workaround in facet highlighting: color is set to black because the facets have to stay readable

git-svn-id: http://nm-ddb-data.iais.fraunhofer.de/svn/platform/development/trunk@6570 41e0724e-84da-11df-b2d6-0f76b6d44b92

Former-commit-id: 85bda7fd2570c2df5c9b0f2ad7d054f5abe239e5
Deutsche-Digitale-Bibliothek/ddb-backend,Deutsche-Digitale-Bibliothek/ddb-backend,Deutsche-Digitale-Bibliothek/ddb-backend,Deutsche-Digitale-Bibliothek/ddb-backend,Deutsche-Digitale-Bibliothek/ddb-backend