Thank you for your question.
To have sanskaras means to experience. Sanskaras are dual in nature.
God is beyond experience. God cannot have sanskaras.
Please look into the meaning of “Abhokta, Akarta, and Ashochta.” Here is an article. Once that is understood, you will see the need for Brahma Baba so, God “gets the sanskaras,” that is why, BapDada.