fix: Exclude notifications for blocked contacts, except mentions (#10659)

- Prevents notifications from being created for conversations or actions
involving blocked contacts.
- The exception is the conversation_mention notification type, which
will still be created when applicable.

spec/builders/notification_builder_spec.rb

@@ -56,7 +56,7 @@ describe NotificationBuilder do
       ).to be_nil
     end
 
-    it 'will create a conversation_mention notification eventhough user is not subscribed to it' do
+    it 'will create a conversation_mention notification even though user is not subscribed to it' do
       notification_setting = user.notification_settings.find_by(account_id: account.id)
       notification_setting.selected_email_flags = []
       notification_setting.selected_push_flags = []
@@ -71,5 +71,31 @@ describe NotificationBuilder do
         ).perform
       end.to change { user.notifications.count }.by(1)
     end
+
+    it 'will not create a notification if conversation contact is blocked and notification type is not conversation_mention' do
+      primary_actor.contact.update(blocked: true)
+
+      expect do
+        described_class.new(
+          notification_type: 'conversation_creation',
+          user: user,
+          account: account,
+          primary_actor: primary_actor
+        ).perform
+      end.not_to(change { user.notifications.count })
+    end
+
+    it 'will create a notification if conversation contact is blocked and notification type is conversation_mention' do
+      primary_actor.contact.update(blocked: true)
+
+      expect do
+        described_class.new(
+          notification_type: 'conversation_mention',
+          user: user,
+          account: account,
+          primary_actor: primary_actor
+        ).perform
+      end.to change { user.notifications.count }.by(1)
+    end
   end
 end