Update cause enum for alert (#856)

Co-authored-by: Walton Hoops <[email protected]>

Author: ErinLMoore

apps/model/lib/model/alert.ex

@@ -94,20 +94,18 @@ defmodule Model.Alert do
 
   @cause_enum ~w(
     ACCIDENT
-    AMTRAK
-    AN_EARLIER_MECHANICAL_PROBLEM
-    AN_EARLIER_SIGNAL_PROBLEM
-    AUTOS_IMPEDING_SERVICE
+    AMTRAK_TRAIN_TRAFFIC
     COAST_GUARD_RESTRICTION
-    CONGESTION
     CONSTRUCTION
-    CROSSING_MALFUNCTION
+    CROSSING_ISSUE
     DEMONSTRATION
     DISABLED_BUS
     DISABLED_TRAIN
     DRAWBRIDGE_BEING_RAISED
     ELECTRICAL_WORK
     FIRE
+    FIRE_DEPARTMENT_ACTIVITY
+    FLOODING
     FOG
     FREIGHT_TRAIN_INTERFERENCE
     HAZMAT_CONDITION
@@ -117,22 +115,29 @@ defmodule Model.Alert do
     HURRICANE
     ICE_IN_HARBOR
     MAINTENANCE
+    MECHANICAL_ISSUE
     MECHANICAL_PROBLEM
     MEDICAL_EMERGENCY
     PARADE
     POLICE_ACTION
+    POLICE_ACTIVITY
     POWER_PROBLEM
+    RAIL_DEFECT
     SEVERE_WEATHER
+    SIGNAL_ISSUE
     SIGNAL_PROBLEM
+    SINGLE_TRACKING
     SLIPPERY_RAIL
     SNOW
     SPECIAL_EVENT
     SPEED_RESTRICTION
+    SWITCH_ISSUE
     SWITCH_PROBLEM
     TIE_REPLACEMENT
     TRACK_PROBLEM
     TRACK_WORK
     TRAFFIC
+    TRAIN_TRAFFIC
     UNRULY_PASSENGER
     WEATHER
   )