Solution level MatchFilePathCase does not check path capitalization of the solution's projects

[InsanityCode]

A capitalization mismatch in the solution's

Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "project name", "project/path/with/mismatch.csproj", "{PROJECT_GUID}"
EndProject

node does not raise a warning.