refine style

Author: Jicheng Lu

src/lib/scss/custom/pages/_chat.scss

@@ -431,6 +431,11 @@
                     font-size: 15px;
                     padding-left: 0px;
                 }
+            }
+
+            .state-change-container {
+                margin-top: 0px;
+                margin-bottom: 0px;
 
                 .state-key {
                     color: var(--bs-primary);

src/routes/chat/[agentId]/[conversationId]/stateLogs/state-change-element.svelte

@@ -4,7 +4,7 @@
     export let data;
 </script>
 
-<div class="log-element">
+<div class="log-element state-change-container">
     <div class="log-meta state-key">
         <div><b>{`${data?.name}`}</b></div>
     </div>