I also note that they abandoned the variable blinking lights in favor of a more solid light, no doubt because it was simpler and cheaper.
You're right, as the display has a different look to it besides the color changes. By the way, do we know the actual reason for the relocation of the science station back to the starboard side before The Wrath of Khan
? I've read your novel Ex Machina
, where you suggested that Kirk himself requested the change, but it's otherwise unclear why several bridge stations were moved between films.