DSDA: Include normal MMI code retriction check

The CallsManager wasn't incorporating regular MMI codes in the check for
disallowing MMI codes across phone accounts. Make sure that is included
as well.

Bug: 399766081
Test: atest CtsTelecomCujTestCases:CallSequencingMmiTest
Flag: com.android.server.telecom.flags.enable_call_sequencing
Change-Id: I6d1da94de2771cba04d74b110aae6d6a1bfa9f9c