fixes #1700 clear search box if new category is selected
fixes #1700 clear search box if new category is selected

vaginessa/appmaker,vaginessa/appmaker,vaginessa/appmaker,pcoughlin/appmaker,valmzetvn/appmaker,mozilla-appmaker/appmaker,lexoyo/appmaker,sheafferusa/appmaker,ekospinach/appmaker,ekospinach/appmaker,uche40/appmaker,lexoyo/appmaker,uche40/appmaker,nirdeshdwa/appmaker,pcoughlin/appmaker,lexoyo/appmaker,mozilla-appmaker/appmaker,secretrobotron/appmaker,uche40/appmaker,sheafferusa/appmaker,nirdeshdwa/appmaker,mozilla-appmaker/appmaker,pcoughlin/appmaker,secretrobotron/appmaker,sheafferusa/appmaker,valmzetvn/appmaker,nirdeshdwa/appmaker,ekospinach/appmaker,valmzetvn/appmaker