Don't fire component update emails if the status hasn't changed.

Fixes #2113

app/Bus/Handlers/Commands/Component/UpdateComponentCommandHandler.php

@@ -28,10 +28,9 @@ class UpdateComponentCommandHandler
     public function handle(UpdateComponentCommand $command)
     {
         $component = $command->component;
+        $originalStatus = $component->status;
 
-        if ($command->status && $component->status !== $command->status) {
+        event(new ComponentStatusWasUpdatedEvent($component, $originalStatus, $command->status));
-            event(new ComponentStatusWasUpdatedEvent($component, $component->status, $command->status));
-        }
 
         $component->update($this->filter($command));
 

app/Bus/Handlers/Events/Component/SendComponentUpdateEmailNotificationHandler.php

@@ -59,6 +59,11 @@ class SendComponentUpdateEmailNotificationHandler
     {
         $component = $event->component;
 
+        // Don't email anything if the status hasn't changed.
+        if ($event->original_status === $event->new_status) {
+            return;
+        }
+
         // First notify all global subscribers.
         $globalSubscribers = $this->subscriber->isVerified()->isGlobal()->get();