[FR] Change empty input statements various

[SirGoodenough]

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Find similar:

    - alias: Do something when the fan stop condition triggers
      if: '{{ not my_off_action in (''none'', ''null'', ''unavailable'', '''') }}'
      then: !input 'off_action'

and change to:

    - alias: Do something when the fan stop condition triggers
      if: "{{ my_off_action | default('') }}"
      then: !input 'off_action'

[SirGoodenough]

Updated in Nuggets branch

[SirGoodenough]

Doesn't work as expected. Killed it...