fix: When adding a large language model in Application-Settings-Add AI node, the Base Model is not listed

[shaohuzhang1]

fix: When adding a large language model in Application-Settings-Add AI node, the Base Model is not listed --bug=1054358 --user=王孝刚 【应用】应用-设置-添加AI 节点时添加大语言模型，没有列出Base Model https://www.tapd.cn/57709429/s/1681102

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[shaohuzhang1]

The provided code looks correct and well-organized. However, there's an extra blank line added at the end of the function definition, which could be removed for better readability:

@@ -377,6 +377,8 @@
   dialogVisible.value = true
   base_form_data.value.model_type = model_type || ''
   activeName.value = 'base-info'
+  if (model_type) {
+    list_base_model(model_type);
+  }
 }

Additionally, you might consider adding type annotations to improve code clarity:

const open = (provider: Provider, model_type?: string): void => {
  dialogVisible.value = true;
  base_form_data.value.model_type = model_type || '';
  activeName.value = 'base-info';
  if (model_type !== undefined) { // Ensure it's not null or undefined before checking
    list_base_model(model_type);
  }
}

These changes will make the code more maintainable and robust, especially when dealing with nullable values.