Shall an ordinance prohibiting sitting on sidewalks in commercial districts from 7:00 am to 10:00 pm, with exceptions for: (a) medical emergencies; (b) wheelchairs and similar mobility devices; (c) bus benches; (d) street events; (e) other furniture placed on the sidewalk pursuant to a permit; requiring the City to ensure that it is applied in a constitutional manner and requiring a warning prior to citation, be approved?