Swap `belowSteerSpeed` and `resumeRequired` alert priorities (#28795)

* GM: Don't send belowSteerSpeed when resumeRequired

* Set belowSteerSpeed alert to LOW priority, resumeRequired to MID

* Add script to output all events and their priorities by type

* Set CP, CS, sm

* Subscribe to same messages as controlsd

* Create callable alerts

* Remove event print script

* Remove sng check

selfdrive/controls/lib/events.py

@@ -238,7 +238,7 @@ def below_steer_speed_alert(CP: car.CarParams, CS: car.CarState, sm: messaging.S
     f"Steer Unavailable Below {get_display_speed(CP.minSteerSpeed, metric)}",
     "",
     AlertStatus.userPrompt, AlertSize.small,
-    Priority.MID, VisualAlert.steerRequired, AudibleAlert.prompt, 0.4)
+    Priority.LOW, VisualAlert.steerRequired, AudibleAlert.prompt, 0.4)
 
 
 def calibration_incomplete_alert(CP: car.CarParams, CS: car.CarState, sm: messaging.SubMaster, metric: bool, soft_disable_time: int) -> Alert:
@@ -505,7 +505,7 @@ EVENTS: Dict[int, Dict[str, Union[Alert, AlertCallbackType]]] = {
       "Press Resume to Exit Standstill",
       "",
       AlertStatus.userPrompt, AlertSize.small,
-      Priority.LOW, VisualAlert.none, AudibleAlert.none, .2),
+      Priority.MID, VisualAlert.none, AudibleAlert.none, .2),
   },
 
   EventName.belowSteerSpeed: {