Fix truncate in detail-list-text-value (#3089)

Author: laurakwhit

src/lib/components/detail-list/detail-list-text-value.svelte

@@ -26,7 +26,7 @@
     {#if iconName}
       <Icon name={iconName} class="shrink-0" />
     {/if}
-    {text}
+    <span class="truncate">{text}</span>
   </div>
 {/snippet}