Smart Water Softeners Market Size, Share & Trends Analysis Report By Product Type (Wall Mounted, Floor), By Grain Capacity (Up to 40,000, Up to 60,000, Up to 80,000), By End-User (Residential, Institute), By Distribution Channel (Supermarket & Hypermarket Specialty Store, Convenience Store, Online Sales Channel) and By Region (North America, Europe, APAC, Middle East and Africa, LATAM) Forecasts, 2026-2034