I have a theory that the reason Lego changed Obi-wan's padawan hair color from brown to red was because of the reshoots. Ewan's real hair in episode 1 was mostly brown with
Star Wars Episode 1 | Obi-Wan Kenobi | Brickset: LEGO set guide and database
LEGO Debuts Star Wars Obi-Wan Kenobi's Jedi Starfighter Set
Classic Obi-Wan Kenobi (Episode I) at Lego Star Wars: The Skywalker Saga Nexus - Mods and Community
Amazon.com: Minifigure Lego Star Wars 30624 Episode IV OBI-Wan Kenobi Collectible