Valid CMAKE_TOOLCHAIN_FILE path is highlighted with red color

Development environment:

• Windows 10
• Qt Creator 9.0.0-rc1 (8.0.84)
• MinGW 11.20 (x64)
• gcc-arm-none-eabi-10.3-2021.10

Valid CMAKE_TOOLCHAIN_FILE path in CMake Configuration is highlighted with red color. This typically indicates that there is something wrong with the value but here the path is correct.