key-generator creates keys with ".." (2 dots in a row)

commits are made against linked ticket MGNLUI-2085

assets..views.treeview.asset.label=Asset Name
assets..views.treeview.asset=Asset Name
assets..views.treeview.title.label=Title
assets..views.treeview.title=Title
assets..views.treeview.status.label=Status
assets..views.treeview.status=Status
assets..views.treeview.moddate.label=Modification date
assets..views.treeview.moddate=Modification date
assets..views.listview.asset.label=Asset Name
assets..views.listview.asset=Asset Name
assets..views.listview.path.label=Path
assets..views.listview.path=Path
assets..views.listview.title.label=Title
assets..views.listview.title=Title
assets..views.listview.status.label=Status
assets..views.listview.status=Status
assets..views.listview.moddate.label=Modification date
assets..views.listview.moddate=Modification date
assets..views.searchview.asset.label=Asset Name
assets..views.searchview.asset=Asset Name
assets..views.searchview.path.label=Path
assets..views.searchview.path=Path
assets..views.searchview.title.label=Title
assets..views.searchview.title=Title
assets..views.searchview.status.label=Status
assets..views.searchview.status=Status
assets..views.searchview.moddate.label=Modification date
assets..views.searchview.moddate=Modification date