The Supreme Court has determined that a criminal offense can trigger the stop-time rule for cancellation of removal for lawful permanent residents even if the offense is not the basis for the charge of removability. Accordingly, a lawful permanent resident can trigger the stop-time rule with an offense that triggers inadmissibility, even if the lawful permanent resident is not seeking admission.
The full text of Barton v. Barr can be found here:
https://www.supremecourt.gov/opinions/19pdf/18-725_f2bh.pdf