A digital version of Lady Gaga is set to appear in wildly popular online shooter Fornite. The star teased her participation in an upcoming Fortnite Festival on Tuesday by tweeting a playful correction to her previous misspelling of the smash-hit game and including a glam Fortnite-style likeness of herself. She quote-tweeted her own 2019 tweet asking, “what’s fortnight”? The one-word text of the new tweet consisted of just the video game’s title spelled correctly, with an asterisk to indicate the “Shallow” singer knew she was making a correction. Fortnite Festival was introduced last year as th…