Fixed config derma not working with array settings

Populate function required for array type setting rows was missing from the population function for ixConfigManager, which resulted in an empty options array for the ComboBox element.

gamemode/core/derma/cl_config.lua

@@ -47,6 +47,7 @@ function PANEL:Populate()
 
 			local row = self:AddRow(type, categoryPhrase)
 			row:SetText(ix.util.ExpandCamelCase(k))
+			row:Populate(k, v.data)
 
 			-- type-specific properties
 			if (type == ix.type.number) then