Fix this indentation inference bug

Describe the bug
Indentation inference bug

Unformatted source

<details
  class="group/level-2"
  x-trap="getIsMobileNavItemActive('{{ link_forloop.index }}-{{ link_link_forloop.index }}')"
  @header-mobile-nav-items-active-change.window="
    () => mobileNavItemsActiveChangeEvent($event, '{{ link_forloop.index }}-{{ link_link_forloop.index }}')
  "
>
</details>

Expected output

<details
  class="group/level-2"
  x-trap="getIsMobileNavItemActive('{{ link_forloop.index }}-{{ link_link_forloop.index }}')"
  @header-mobile-nav-items-active-change.window="
    () => mobileNavItemsActiveChangeEvent($event, '{{ link_forloop.index }}-{{ link_link_forloop.index }}')
  "
>
</details>

Actual output

<details
  class="group/level-2"
  x-trap="getIsMobileNavItemActive('{{ link_forloop.index }}-{{ link_link_forloop.index }}')"
  @header-mobile-nav-items-active-change.window="
        () => mobileNavItemsActiveChangeEvent($event, '{{ link_forloop.index }}-{{ link_link_forloop.index }}')
  "
></details>

The issue provides Liquid input, expected output, and actual output, but names no file, test, or entry point. Start by tracing the formatter's indentation-inference path for this case, then add a regression test for the expected output and confirm the extra indentation is removed.