Align with ios here and copy these to the same location on mac

[HeyImChris]

Please select one of the following

• I am removing an existing difference between facebook/react-native and microsoft/react-native 👍
• I am cherry-picking a change from Facebook's react-native into microsoft/react-native 👍
• [X ] I am making a fix / change for the macOS implementation of react-native
• I am making a change required for Microsoft usage of react-native

iOS is copying these to RCTText, let's do the same on Mac so we don't need an "#ifdef" downstream when we need to reference the headers.

Focus areas to test

(optional)

Microsoft Reviewers: Open in CodeFlow