feat: Update bot typing indicator based on the conversation status (#7714)

- Show the indicator if the last message is incoming and the conversation is in pending status.
- Remove list of articles displayed in the bot response.

app/javascript/widget/components/AgentTypingBubble.vue

@@ -2,7 +2,7 @@
   <div class="agent-message-wrap">
     <div class="agent-message">
       <div class="avatar-wrap" />
-      <div class="message-wrap">
+      <div class="message-wrap mt-2">
         <div
           class="typing-bubble chat-bubble agent"
           :class="$dm('bg-white', 'dark:bg-slate-50')"