common: enable ha_time in common packages, devices extend it

Move the homeassistant time platform (id ha_time) into all common
packages. Devices with custom triggers now use '!extend ha_time';
plain duplicate time blocks are removed. mcu-lvgl's unused time_comp
is unified to ha_time.

mcu-pow-dishwasher.yaml

@@ -187,5 +187,3 @@ switch:
       - switch.turn_off: relay_off # bi-stable relay so no need to keep on
     interlock: [relay_on]
 
-time:
-  - !include common/time/homeassistant.yaml