Refactor community question comments display

- Adjusted spacing for the comments section for better visual alignment.
- Wrapped comments rendering in a conditional to ensure proper display only when comments exist.
- Maintained functionality for upvoting and deleting comments while improving code readability.

apps/dashboard/src/lib/features/community/pages/community-question.svelte

@@ -223,10 +223,11 @@
           {/if}
         </div>
 
-        <div class="my-8">
+        <div class="my-2">
           {pluralize($t('community.answers'), communityApi.question?.comments.length ?? 0, true)}
         </div>
 
+        {#if !!communityApi.question?.comments?.length}
           <div class="space-y-2">
             {#each communityApi.question?.comments as commentItem (commentItem.id)}
               <CommunityCommentItem
@@ -252,6 +253,7 @@
               />
             {/each}
           </div>
+        {/if}
 
         <hr />