fix error at tav household based cotisation, when cotis amount equals allowance amount

src/Utils/TAVCotisationUtils.php

@@ -162,6 +162,7 @@ class TAVCotisationUtils
 
     /**
      * Method called to create Flux based on allowance amount (for household based allowance).
+     * Only create flux if amount paid != allowance amount. 
      */
     public function applyHouseholdAllowance(Flux $flux) {
         // get allowance
@@ -171,15 +172,17 @@ class TAVCotisationUtils
         // get the mlc amount the user is supposed to receive
         $mlcAllowanceAmount = $adherent->getAllocationAmount();
 
+        // get the difference between what the user paid and what he•she's supposed to receive
+        $amountDiff = $mlcAllowanceAmount - $cotisationAmount;
+
+        // only create new flux if there is a difference
+        if ($amountDiff != 0) {
             if ($flux->getExpediteur() instanceof Siege) {
                 $siege = $flux->getExpediteur();
             } else {
                 $siege = $flux->getExpediteur()->getGroupe()->getSiege();
             }
 
-        // get the difference between what the user paid and what he•she's supposed to receive
-        $amountDiff = $mlcAllowanceAmount - $cotisationAmount;
-
             if ($amountDiff > 0) {
                 // User should receive more than he•she paid: send a new flux to the user to complete its cotisation
                 $fluxCotis = new CotisationTavReversement();
@@ -202,6 +205,7 @@ class TAVCotisationUtils
             $this->em->persist($fluxCotis);
             $this->operationUtils->executeOperations($fluxCotis);
         }
+    }
 
     /**
      * Method called to create Flux based on allowance amount (for household based allowance).