fhemweb_sortable.js: don't allow any custom values in selected list when using sortable-strict
fhemweb_sortable.js: don't allow any custom values in selected list when using sortable-strictView Changes
Source: fhemweb_sortable.js: don't allow any custom values in selected list when using sortable-strict (http://sourceforge.net/p/fhem/code/8476/)