If localization key is missing, all parameters are appended to the displayed string

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34740 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
4.9.278.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34741 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e