Merge pull request #12812 from jzigmund/bz1392770-cant_create_alert

Fix Alert creation after delete the other one
(cherry picked from commit 138d0d7)

https://bugzilla.redhat.com/show_bug.cgi?id=1405200

app/controllers/miq_policy_controller/alerts.rb

@@ -60,7 +60,7 @@ def alert_delete
     else
       alerts.push(params[:id])
     end
-    alert_get_info(MiqAlert.find(params[:id]))
+    @alert = MiqAlert.find(params[:id])
     alert_sync_provider(:delete)
 
     process_alerts(alerts, "destroy") unless alerts.empty?
@@ -235,7 +235,8 @@ def alert_build_edit_screen
       # skip record id when copying attributes
       @alert = MiqAlert.find(params[:id]).dup
     else
-      @alert = params[:id] ? MiqAlert.find(params[:id]) : MiqAlert.new  # Get existing or new record
+      # Get existing record if edit action or create new record
+      @alert = params[:id] ? MiqAlert.find(params[:id]) : MiqAlert.new
       @alert.enabled = true unless @alert.id            # Default enabled to true if new record
     end
     @edit[:key] = "alert_edit__#{@alert.id || "new"}"