Add keyboard shortcut hint to Check Code and Submit buttons

Fix inconsistent instructions in Step 51 of the Email Simulator workshop

Creating pull requests with AI-generated or AI-assisted code

Don't render same title twice in page title

sort() behavior with undefined and empty slots not covered

ctrl + enter shortcut not working as intended

Add keyboard shortcut hint to Check Code and Submit buttons

Fix inconsistent instructions in Step 51 of the Email Simulator workshop

Creating pull requests with AI-generated or AI-assisted code

Don't render same title twice in page title

sort() behavior with undefined and empty slots not covered

ctrl + enter shortcut not working as intended