Firebase-tools: Firebase 模拟功能和托管不能一起运行

[必需] 环境信息

火力基地工具： 6.9.0

平台： Fedora 30

[必需] 测试用例

从firebase init命令处理默认项目

[必需] 重现步骤

运行firebase serve --only functions,hosting

[必需] 预期行为

$ firebase serve --only functions,hosting

=== Serving from '/mnt/Data/Projects/Dir/project'...

i  functions: Preparing to emulate functions.
i  hosting: Serving hosting files from: public
✔  hosting: Local server: http://localhost:5000
✔  functions: ssr: http://localhost:5001/<project-id>/us-central1/ssr

[必需] 实际行为

$ firebase serve --only functions,hosting

✔  functions: ssr: http://localhost:5001/<project-id>/us-central1/ssr

笔记：
它适用于 6.8.0 版