CAY-1822  Make DataMap editor fields wider

patch by ArtyomN

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1486185 13f79535-47bb-0310-9956-ffa450edef68
CAY-1822  Make DataMap editor fields wider

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1486186 13f79535-47bb-0310-9956-ffa450edef68