Travel just before H1b Lottery

[azeus]

I am currently on STEM OPT expiring in July 2019. My employer filed H1b petition (including COS) on April 1st, 2019.

Regrettably, I traveled internationally from March 29th-April 6th (before the FY2020 lottery) but I was outside the US when the petition was submitted (stupid on my part, I know!). Does this mean my COS is now abandoned? The employer attorney suggested that historically, the earliest petitions are receipted is 2nd week of April, and since I'm back before that, I might be ok.

Has anyone been through a similar situation or could provide guidance? Much appreciated.

Thank you so much!

-AZ