Retrieve and Reassemble Diverter Gasket

What happens here

After inspecting the diverter, it's discovered that a small black rubber gasket, critical for blocking water flow to the spout, is missing from its position. Locate this gasket, which may have fallen into the tub drain. Retrieve the rubber gasket from the tub drain. Once found, carefully place the rubber gasket back into the diverter mechanism. Apply a small amount of silicone grease to the gasket to help it stay in place and ensure smooth operation. Reassemble the diverter's internal components, ensuring the metal pin fits correctly into the gasket and allows for proper up-and-down movement.

Goal: Reinstall the missing rubber gasket in the diverter mechanism