Describe the bug
The api filtering yml mechanism does not allow keeping a specific sub namespace as per https://dotnet.github.io/docfx/docs/dotnet-api-docs.html#filter-by-uid.

To Reproduce
Steps to reproduce the behavior:

The following api rules yml does filters out all items in the MyProject.Server namespace.

apiRules:
- include:
    uidRegex: ^MyProject\.Server\.Config
- exclude:
    uidRegex: ^MyProject\.Server

Expected behavior
Based on the documentation this should generate docs for only MyProject.Server.Config

It seems like the excludes are taking precedence over the includes.

Context (please complete the following information):

• OS: Windows 10 Pro
• Docfx version: 2.73.1+1d7b96c23465e14eafbcb0dd765029a87b5312d4