fix - change base of pre sale / extra sale on quota stat & total purchase of rancher in Quota usage calculation

apps/warehouse/models.py

@@ -247,6 +247,12 @@ class ExtraSale(BaseModel):
         related_name='extra_sales',
         null=True
     )
+    quota_stat = models.ForeignKey(
+        product_models.OrganizationQuotaStats,
+        on_delete=models.CASCADE,
+        related_name='extra_sales',
+        null=True
+    )
     transaction = models.ForeignKey(
         InventoryQuotaSaleTransaction,
         on_delete=models.CASCADE,
@@ -281,6 +287,12 @@ class QuotaPreSaleItem(BaseModel):
         related_name='pre_sales',
         null=True
     )
+    quota_stat = models.ForeignKey(
+        product_models.OrganizationQuotaStats,
+        on_delete=models.CASCADE,
+        related_name='pre_sales',
+        null=True
+    )
     transaction = models.ForeignKey(
         InventoryQuotaSaleTransaction,
         on_delete=models.CASCADE,