Fix build instructions for the host

Currently, we are promoting the building of safe renderer modules in the QtCreator.

However, the module build does not seem to work with QtCreator when using the MSVC compiler. The same behavior is seen when building, e.g., the charts module in the qt-creator.

Instead of promoting qt-creator build for the qsr modules, we should explain how build the module from the command line:

C:\Users\Qt\6.5.6\msvc2019_64\bin\qt-configure-module.bat  C:\Users\qt\dev\qt-saferenderer-runtime

cmake --build .

cmake --build . --target install

Also RTA tests need be changed to follow this approach instead of building modules in QtCreator (only examples needs to build in creator).