feat(agent): 优化聊天历史组件样式和图片展示，调整卡片布局和图片处理

src/views/agent/chat/index.vue

@@ -104,15 +104,15 @@ const cozeWebSdkConfig = (botId, name, auth) => {
         title: name,
         isNeedFunctionCallMessage: true,
       },
+      base: {
+        icon: '',
+        zIndex: 1000,
+      },
       footer:{
         expressionText:"内容由AI生成，无法确保真实准确，仅供参考。",
       },
     },
     auth: auth,
-    base: {
-      icon: '',
-      zIndex: 1000,
-    },
     header: {
       isShow: true,
       isNeedClose: false,