I said it in your other thread before I noticed that you moved over here, but if you are using the extended hotbar options (R2>L2, L2>R2, and double tap R2 and L2), you shouldn't need to ever press R1 to swap hotbars during combat. I don't think there are any options to change how long you hold R1 for because the grand majority of controller users just use the extended hotbar options.