[intellij project configuration] rename workspaceModel.ide to workspaceModel.jps: update directory name

Now the module contains classes related to serialization to JPS format only, so it's better to rename it, get rid of dependencies on IDE modules and use inside JPS build process (IDEA-252970).

GitOrigin-RevId: a23994386a0739ef2869b681e1450c7a299a6788