Changes

Add more available stats to printer card, various UI fixes
Add printer supported functions and model info to current_status sensor attributes
Update hass data immediately on MQTT printer updates instead of polling every 5sec
Switch to update entities for printer firmware, remove previous entities
Force MQTT connection for all actions, if not already connected.
Various Fixes

Breaking Changes:

Removed previous button, binary_sensor and sensor entities relating to firmware, replaced with update entities.