Change custom flag validator model to have explicit key 'function' rather than...

Change custom flag validator model to have explicit key 'function' rather than using first index to store the trigger code.

VuhDoBouquetValidators.lua

@@ -1064,14 +1064,12 @@ end
 
 --
 local function VUHDO_customFlagValidator(anInfo, aCustom)
-	if aCustom and aCustom["custom"] and aCustom["custom"][1] then
-		local customCodeString;
+	if aCustom and aCustom["custom"] and aCustom["custom"]["function"] then
+		local customCodeString = "return true;";
 
 		-- compatibility with prior alphas where default code string was '1'
-		if aCustom["custom"][1] == "1" then
-			customCodeString = "return true;";
-		else
-			customCodeString = aCustom["custom"][1];
+		if aCustom["custom"]["function"] ~= "1" then
+			customCodeString = aCustom["custom"]["function"];
 		end
 
 		local loadedFunction, errorString = loadstring("local VUHDO_unitInfo = _G[\"VUHDO_anInfo\"]; " .. customCodeString);