Update fields for job event models to match raw sql operations

* raw sql commands were in migration to partition table
* .. just needed to add FakeAddField entries for the new
     job_created field added to each job event model
* .. and also needed to actually list the new field on the model classes

awx/main/migrations/0124_event_partitions.py

@@ -110,4 +110,24 @@ class Migration(migrations.Migration):
             name='job_created',
             field=models.DateTimeField(null=True, editable=False),
         ),
+        FakeAddField(
+            model_name='inventoryupdateevent',
+            name='job_created',
+            field=models.DateTimeField(null=True, editable=False),
+        ),
+        FakeAddField(
+            model_name='projectupdateevent',
+            name='job_created',
+            field=models.DateTimeField(null=True, editable=False),
+        ),
+        FakeAddField(
+            model_name='adhoccommandevent',
+            name='job_created',
+            field=models.DateTimeField(null=True, editable=False),
+        ),
+        FakeAddField(
+            model_name='systemjobevent',
+            name='job_created',
+            field=models.DateTimeField(null=True, editable=False),
+        ),
     ]

awx/main/models/events.py

@@ -605,6 +605,10 @@ class ProjectUpdateEvent(BasePlaybookEvent):
         on_delete=models.CASCADE,
         editable=False,
     )
+    job_created = models.DateTimeField(
+        null=True,
+        editable=False
+    )
 
     @property
     def host_name(self):
@@ -776,6 +780,10 @@ class AdHocCommandEvent(BaseCommandEvent):
         default='',
         editable=False,
     )
+    job_created = models.DateTimeField(
+        null=True,
+        editable=False
+    )
 
     def get_absolute_url(self, request=None):
         return reverse('api:ad_hoc_command_event_detail', kwargs={'pk': self.pk}, request=request)
@@ -811,6 +819,10 @@ class InventoryUpdateEvent(BaseCommandEvent):
         on_delete=models.CASCADE,
         editable=False,
     )
+    job_created = models.DateTimeField(
+        null=True,
+        editable=False
+    )
 
     @property
     def event(self):
@@ -845,6 +857,10 @@ class SystemJobEvent(BaseCommandEvent):
         on_delete=models.CASCADE,
         editable=False,
     )
+    job_created = models.DateTimeField(
+        null=True,
+        editable=False
+    )
 
     @property
     def event(self):