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/libs/handlers/pages.go

@@ -91,7 +91,7 @@ func (a *App) homeExpiryOptions(settings services.UploadPolicySettings, user ser
 		unlimited = true
 	case loggedIn:
 		maxDays = a.settingsService.EffectivePolicyForUser(settings, user).MaxDays
-		// A negative per-user MaxDays override means unlimited retention.
+		// A negative per user MaxDays override means unlimited retention.
 		if maxDays < 0 {
 			unlimited = true
 		}