Robotic Vacuum Cleaner Market Size, Share & Industry Analysis, By Type (Floor Vacuum Cleaner, Window Vacuum Cleaner, Pool Vacuum Cleaner), By Application (Household and Commercial), By Operation Mode (Self-Drive & Remote Control), By Distribution Channel (Online & Offline), By Price (Below USD 150, USD 150-300, USD 300-500, Above USD 500) and Regional Forecast, 2021-2028