feat: conditionally render form items based on feature flags

Author: liuruibin

ui/src/views/application/ApplicationSetting.vue

@@ -414,7 +414,7 @@
                     </div>
                   </template>
                 </div>
-                <el-form-item @click.prevent>
+                <el-form-item @click.prevent v-if="applicationForm.mcp_enable || applicationForm.tool_enable">
                   <template #label>
                     <div class="flex-between">
                       <span class="mr-4">

ui/src/workflow/nodes/ai-chat-node/index.vue

@@ -230,7 +230,7 @@
             </div>
           </template>
         </div>
-        <el-form-item @click.prevent>
+        <el-form-item @click.prevent v-if="chat_data.mcp_enable || chat_data.tool_enable">
           <template #label>
             <div class="flex-between">
               <span class="mr-4">