message: Simplify - remove `let`
diff: -{{#let (if @noCollapse true @open) as |isOpen|}}
  <details
  class={{cn
  "dashboard-details-container"
  dashboard-details-container--hasFooter=(has-block 'footer')
  }}
  ...attributes
  - open={{isOpen}}
  + open={{or @noCollapse @open}}
  >
  <summary class="dashboard-details-container__summary">
  <div class="dashboard-details-container__summary-content">
  </footer>
  {{/if}}
  </details>
  - {{/let}}
  \ No newline at end of file
  +
  