In the admin grid form of Products, I need certain Customizable Options to not be displayed even if they are assigned to a Product. These Customizable Options will be displayed in a separate section as they are managed differently.
Which core file needs to be overwritten in order to filter these Customizable Options in the admin form? Furthermore, what is the procedure for discovering the file oneself?
Here is a screenshot with the current display, and with some Customizable Options circled, indicating that I would like my module to filter them out on the backend (PHP):
