Fix EmailsOnPush.

CHANGELOG

@@ -31,6 +31,7 @@ v 7.10.0 (unreleased)
   - Replace commits calendar with faster contribution calendar that includes issues and merge requests
   - Add inifinite scroll to user page activity
   - Don't show commit comment button when user is not signed in.
+  - Fix EmailsOnPush.
 v 7.9.0
   - Send EmailsOnPush email when branch or tag is created or deleted.

app/workers/emails_on_push_worker.rb

 class EmailsOnPushWorker
   include Sidekiq::Worker
-  def perform(project_id, recipients, push_data, send_from_committer_email: false, disable_diffs: false)
+  def perform(project_id, recipients, push_data, options = {})
+    options.symbolize_keys!
+    options.reverse_merge!(
+      send_from_committer_email:  false, 
+      disable_diffs:              false
+    )
+    send_from_committer_email = options[:send_from_committer_email]
+    disable_diffs = options[:disable_diffs]
+
     project = Project.find(project_id)
     before_sha = push_data["before"]
     after_sha = push_data["after"]