style: remove hyphens from compound adjectives in comments and messages

Remove hyphens from compound adjectives such as "logged-in", "one-time", "password-protected", "full-height", "multi-file", and "S3-compatible" in comments, test error messages, and UI labels to improve readability and consistency.

backend/templates/pages/dashboard.html

@@ -82,7 +82,7 @@
                     </details>
                   </td>
                   <td>
-                    <div>{{if .CollectionName}}{{.CollectionName}}{{else}}<span class="muted-copy">—</span>{{end}}</div>
+                    <div>{{if .CollectionName}}{{.CollectionName}}{{else}}<span class="muted-copy">. </span>{{end}}</div>
                     <details class="row-edit">
                       <summary>Move</summary>
                       <form action="/app/boxes/{{.ID}}/move" method="post" class="row-edit-form">