[app-platform] 修复头像地址、替换模板默认模型为空 (#310)

Co-authored-by: lizhichao51 <lizhichao51@noreply.gitcode.com>

Author: lizhichao51

app-builder/builtin/app-template/answer_book/template_answer_book.sql

@@ -1,4 +1,4 @@
-INSERT INTO "public"."app_template" ("id", "name", "built_type", "category", "attributes", "app_type", "like", "collection", "usage", "version", "config_id", "flow_graph_id", "create_by", "create_at", "update_by", "update_at", "is_deleted") VALUES ('0fb1f0d5515e4a8196bab32afe647e4e', '答案之书', 'workflow', 'chatbot', '{"icon": "/api/jober/v1/api/31f20efc7e0848deab6a6bc10fc3021e/file?filePath=/var/share/3c9759ae-2281-44a1-9839-4657c028295e.png&fileName=PixPin_2025-06-27_10-17-59.png", "app_type": "dadb32e11d0f49c8b3b2b3b78f32adcb", "greeting": null, "description": "一款神秘而智慧的问答应用，你的问题将获得来自“答案之书”的灵感回应。"}', 'dadb32e11d0f49c8b3b2b3b78f32adcb', 0, 0, 0, '1.0.0', '9a40f8c52e1647959a302fc77b7f53f6', '5b742c0ab9f149d0ad0eb17b7abc9606', 'system', '2025-06-23 14:25:07.517008', 'system', '2025-06-23 14:25:07.517008', 0) ON CONFLICT ("id") DO NOTHING;
+INSERT INTO "public"."app_template" ("id", "name", "built_type", "category", "attributes", "app_type", "like", "collection", "usage", "version", "config_id", "flow_graph_id", "create_by", "create_at", "update_by", "update_at", "is_deleted") VALUES ('0fb1f0d5515e4a8196bab32afe647e4e', '答案之书', 'workflow', 'chatbot', '{"icon": "/appbuilder/v1/api/31f20efc7e0848deab6a6bc10fc3021e/file?filePath=/var/share/3c9759ae-2281-44a1-9839-4657c028295e.png&fileName=PixPin_2025-06-27_10-17-59.png", "app_type": "dadb32e11d0f49c8b3b2b3b78f32adcb", "greeting": null, "description": "一款神秘而智慧的问答应用，你的问题将获得来自“答案之书”的灵感回应。"}', 'dadb32e11d0f49c8b3b2b3b78f32adcb', 0, 0, 0, '1.0.0', '9a40f8c52e1647959a302fc77b7f53f6', '5b742c0ab9f149d0ad0eb17b7abc9606', 'system', '2025-06-23 14:25:07.517008', 'system', '2025-06-23 14:25:07.517008', 0) ON CONFLICT ("id") DO NOTHING;
 
 INSERT INTO "public"."app_builder_config" ("id", "form_id", "app_id", "tenant_id", "create_by", "create_at", "update_by", "update_at", "is_deleted") VALUES ('9a40f8c52e1647959a302fc77b7f53f6', 'b8986770a6ffef44bbf2a9f26d6fc1be', '0fb1f0d5515e4a8196bab32afe647e4e', '31f20efc7e0848deab6a6bc10fc3021e', 'system', '2025-06-23 14:25:07.516986', 'system', '2025-06-23 14:25:07.516986', 0) ON CONFLICT ("id") DO NOTHING;