Restore leveloffset for oadp-restic-issues module to 1.

This change fixes GH-46394, which describes a bug that was introduced by PR #45926

Author: maxwelldb

backup_and_restore/application_backup_and_restore/troubleshooting.adoc

@@ -30,7 +30,7 @@ include::modules/migration-debugging-velero-resources.adoc[leveloffset=+1]
 
 include::modules/oadp-installation-issues.adoc[leveloffset=+1]
 include::modules/oadp-backup-restore-cr-issues.adoc[leveloffset=+1]
-include::modules/oadp-restic-issues.adoc[leveloffset=+12]
+include::modules/oadp-restic-issues.adoc[leveloffset=+1]
 
 include::modules/migration-using-must-gather.adoc[leveloffset=+1]