Fix Lua errors in Pandaria recipes and enhance recipe filtering logic (#821)

Author: derfloh205

Data/News.lua

@@ -23,6 +23,8 @@ function CraftSim.NEWS:GET_NEWS(itemMap)
         f.bb("                   Hello and thank you for using CraftSim!\n"),
         f.bb("                                 ( You are awesome! )"),
         newP("19.8.5"),
+        f.P .. f.bb("Recipe Scan"),
+        f.a .. "Fixed Pandaria 'Way of the' recipes causing lua errors on filter",
         f.p .. "11.1.0.59570 Data Update",
         newP("19.8.4"),
         f.p .. "TOC Update",

Modules/RecipeScan/RecipeScan.lua

@@ -156,6 +156,11 @@ function CraftSim.RECIPE_SCAN.FilterRecipeInfo(crafterUID, recipeInfo)
         professionInfo = C_TradeSkillUI.GetProfessionInfoByRecipeID(recipeInfo.recipeID)
     end
 
+    if not professionInfo.profession then
+        printF("ProfessionInfo - profession missing: Exclude")
+        return false
+    end
+
     if crafterUID == CraftSim.UTIL:GetPlayerCrafterUID() then
         -- update favorites cache
         CraftSim.DB.CRAFTER:UpdateFavoriteRecipe(crafterUID, professionInfo.profession, recipeInfo.recipeID,