fix #9378 - don't report service_times/collection_times as missing (validator)

git-svn-id: http://josm.openstreetmap.de/svn/trunk@6423 0c6e7542-c601-0410-84e7-c038aed88b3b
see #6381 - fix #9373 - upload dialog: make source input behave similar as comment input (concerning enter/focus)

git-svn-id: http://josm.openstreetmap.de/svn/trunk@6424 0c6e7542-c601-0410-84e7-c038aed88b3b