[-] BO : fix contructor override on AdminImportController

When we overload the constucteur of AdminImport to add an import type and PS_ADVANCED_STOCK_MANAGEMENT is off, switch index is undefined for "Supply Orders" and "Supply Order Details".
Merge pull request #736 from codeurWeb/patch-2

[-] BO : fix ovverride of constructor when PS_ADVANCED_STOCK_MANAGEMENT is off