fix bug in restor sale session functionality

Closes MS-71

src/main/java/com/marketingconfort/mydressin/services/impl/SaleSessionServiceImp.java

@@ -240,7 +240,6 @@ public class SaleSessionServiceImp implements SaleSessionService {
     public boolean deleteSaleSessionById(Long sessionId) {
         SaleSession saleSession = saleSessionRepository.findById(sessionId)
                 .orElseThrow(() -> new SaleSessionNotFoundException("Sale session not found for id: " + sessionId));
-
         saleSession.setStatus("DELETED");
         saleSessionRepository.save(saleSession);
         return true;
@@ -252,7 +251,7 @@ public class SaleSessionServiceImp implements SaleSessionService {
     public SaleSessionDTO restockSaleSession(Long sessionId) {
         SaleSession saleSession = saleSessionRepository.findById(sessionId)
                 .orElseThrow(() -> new SaleSessionNotFoundException("Sale session not found for id: " + sessionId));
-        saleSession.setStatus(null);
+        saleSession.setStatus("ACTIVE");
         SaleSession updatedSaleSession = saleSessionRepository.save(saleSession);
         return saleSessionMapper.toDTO(updatedSaleSession);
     }