Desturate Cooldowns on ActionBar still grayed out as you keep triggering GCDs

[itsmekasta]

v2.6

[Apollyonn]

I don't know how to properly fix that (i don't wanna use OnUpdate) and the reason is this:
In later expansions there is a function called OnCooldownDone and that function tells you when the cooldown has finished.
Since we don't have this, we colorize the texture again by checking if the spiral texture or the timer (for better accuracy) is hidden.
I think this is the best you can get unless there is some unknown to me other way.