My H-1B got approved recently under consular processing (I-797B). My STEM extension is valid up to June 2021, so I have not yet switched to my H-1B status. Say I change my employer after a few weeks without switching to H-1B status (by going for stamping to a consulate). Can this new employer file another CAP exempt H-1B petition for me, as I already have I-797B approved till October 2022? Or will I lose my currently approved I-797B and have to go through the lottery process again? Also, should this new petition (if it can be filed) also be consular processing, or can be COS too? Please let me know. Thanks!