fix: Unable to enter custom model name

--bug=1051178 --user=刘瑞斌 【模型】添加Ollama的图片理解模型，自定义输入基础模型报错 https://www.tapd.cn/57709429/s/1641511

(cherry picked from commit 301c60ee92)

apps/setting/models_provider/impl/ollama_model_provider/ollama_model_provider.py

@@ -171,6 +171,7 @@ model_info_manage = (
         '一个具有大令牌上下文窗口的高性能开放嵌入模型。',
         ModelTypeConst.EMBEDDING, ollama_embedding_model_credential, OllamaEmbedding), )
     .append_model_info_list(image_model_info)
+    .append_default_model_info(image_model_info[0])
     .build()
 )