Using a token with a default value on a "Checkboxes other" causes other to be checked if the token value is empty

Example source

flexbox:
  '#type': flexbox
  first_name:
    '#type': textfield
    '#title': 'First Name'
    '#required': true
    '#default_value': '[webform_submission:user:first_name:clear]'
  last_name:
    '#type': textfield
    '#title': 'Last name'
    '#required': true
    '#default_value': '[webform_submission:user:last_name:clear]'
email:
  '#type': email
  '#title': Email
  '#required': true
  '#default_value': '[webform_submission:user:mail:clear]'
address:
  '#type': address
  '#title': Address
  '#required': true
  '#default_value':
    country_code: US
    langcode: ''
    address_line1: '[webform_submission:user:mailing_address:address_line1:clear]'
    address_line2: '[webform_submission:user:mailing_address:address_line2:clear]'
    locality: '[webform_submission:user:mailing_address:locality:clear]'
    administrative_area: '[webform_submission:user:mailing_address:administrative_area:clear]'
    postal_code: '[webform_submission:user:mailing_address:postal_code:clear]'
    given_name: null
    additional_name: null
    family_name: null
    organization: null
    sorting_code: null
    dependent_locality: null
  '#field_overrides':
    givenName: hidden
    additionalName: hidden
    familyName: hidden
    organization: hidden
    addressLine1: optional
    addressLine2: optional
    postalCode: optional
    sortingCode: optional
    dependentLocality: hidden
    locality: required
    administrativeArea: required
how_did_you_hear_about_this_meeting_:
  '#type': checkboxes_other
  '#title': 'How did you hear about this meeting?'
  '#options':
    'Social Media': 'Social Media'
    'Support Group': 'Support Group'
    'Web Search i.e. Google or Bing Search': 'Web Search i.e. Google or Bing Search'
    'Web Ad i.e. Paid Text Ad or Graphic Ad': 'Web Ad i.e. Paid Text Ad or Graphic Ad'
    'Post Card': 'Post Card'
  '#required': true
  '#default_value':
    - '[webform_submission:user:how_you_found_us:clear]'
actions:
  '#type': webform_actions
  '#title': 'Submit button(s)'

The attached webform is simplified example that replicates the bug.

I tired the patch from here but the other checkbox is still checked for me.
https://git.drupalcode.org/project/webform/-/merge_requests/559/diffs

Let's try a different approach which should be safer and more reliable.

That new patch works for me! Other is no longer checked.