Added ogmios slot point so that chain follower can start when the asset mint starts

[Kartiiyer12]

Context

Chain follower starting from origin gets stuck on slot number 2138399 and adding assets to the Asset table does not start.

Proposed Solution

Adding a slot point just before the asset minting started so the chain follower can can resume at this point and start Asset syncing,

Important Changes Introduced

Added slot id and hash for the ogmios to find intersection to start