USCIS is accepting applications by mail, but is cancelling in-person interviews.
Agreed with the previous response. USCIS hasn't issued any notice which suggest your application will not be properly received. See below
https://www.uscis.gov/about-us/uscis-response-coronavirus-disease-2019-covid-19
USCIS issued the following notices regarding its practices during COVID-19.
USCIS staff will continue to perform duties that do not involve contact with the public.
USCIS field offices have suspended routine in-person services since 3/18 until at least 4/1/2020. This includes interviews, naturalization ceremonies and biometric collection appointments. So if you have a scheduled interview with USCIS during this period, please expect to receive in your mail a notice from USCIS rescheduling your interview.
