Make None schedule types match continuous_stable

Summary: This is needed so we won't skip some of the build/test jobs in continuous_stable

Reviewed By: Acesine

Differential Revision: D59776490

fbshipit-source-id: 6d962d32bccba10258cbd36d296e4df7162a5b18

td_util/src/schedules.rs

@@ -85,6 +85,12 @@ impl ScheduleType {
                     ScheduleType::Testwarden | ScheduleType::Continuous | ScheduleType::Diff
                 )
             }
+            ScheduleType::ContinuousStable => {
+                matches!(
+                    other,
+                    ScheduleType::ContinuousStable | ScheduleType::Continuous | ScheduleType::Diff
+                )
+            }
             _ => *other == self,
         }
     }