fix #9352 - find icon in presets for recent added tags if none is defined in map paint styles

git-svn-id: http://josm.openstreetmap.de/svn/trunk@6403 0c6e7542-c601-0410-84e7-c038aed88b3b
see #9350 - tagchecker: ignore keys ending with `:conditional`

git-svn-id: http://josm.openstreetmap.de/svn/trunk@6404 0c6e7542-c601-0410-84e7-c038aed88b3b