In GenerateTooltipContent(): Changed skill colorization to be based on comparing the player's skill level with the recipe's optimal, medium, easy, and trivial levels rather than using the optimal only and a comparison of 20, 30, and 40 - yields correct results and is in-line with the recipe difficulty colors in the list.

In GenerateTooltipContent(): Changed skill colorization to be based on comparing the player's skill level with the recipe's optimal, medium, easy, and trivial levels rather than using the optimal only and a comparison of 20, 30, and 40 - yields correct results and is in-line with the recipe difficulty colors in the list.