TPT-4706: Fix monitor property mutability (#744)

Author: zliang-akamai

linode_api4/objects/monitor.py

@@ -276,8 +276,8 @@ class MonitorDashboard(Base):
         "id": Property(identifier=True),
         "created": Property(is_datetime=True),
         "label": Property(),
-        "service_type": Property(ServiceType),
-        "type": Property(DashboardType),
+        "service_type": Property(),
+        "type": Property(),
         "group_by": Property(),
         "widgets": Property(json_object=DashboardWidget),
         "updated": Property(is_datetime=True),
@@ -294,7 +294,7 @@ class MonitorService(Base):
     api_endpoint = "/monitor/services/{service_type}"
     id_attribute = "service_type"
     properties = {
-        "service_type": Property(ServiceType),
+        "service_type": Property(),
         "label": Property(),
         "alert": Property(json_object=ServiceAlert),
     }
@@ -495,7 +495,7 @@ class AlertDefinition(DerivedBase):
         "entity_ids": Property(mutable=True),
         "description": Property(mutable=True),
         "service_class": Property(alias_of="class"),
-        "scope": Property(AlertScope),
+        "scope": Property(),
         "regions": Property(mutable=True),
         "entities": Property(json_object=AlertEntities),
         "channel_ids": Property(mutable=True),