STR:
1. Open any project
2. Go to Editor settings in the project settings window, make sure "Caching preprocessor" is enabled
3. Select any shader in the project, check "Preprocess only" checkbox.
4. Select another shader, observe that the "Preprocess only" checkbox is not set.

Expected: "Preprocess only" checkbox saves its state between different shaders
Actual: The state is reset (turned off)