Fix existing GSTIN display in bulk registrations

app/modules/registrations/ui.py

@@ -101,6 +101,29 @@ def bulk_registration_page(
         tenant_id = _tenant(request, user)
         branch_id = _branch(request, user)
 
+        gstins_by_client = {}
+        gstin_rows = db.execute(
+            select(
+                ClientRegistration.client_id,
+                ClientRegistration.registration_number,
+            )
+            .join(
+                RegistrationType,
+                RegistrationType.id == ClientRegistration.registration_type_id,
+            )
+            .where(
+                ClientRegistration.tenant_id == tenant_id,
+                RegistrationType.code == "GSTIN",
+            )
+            .order_by(
+                ClientRegistration.client_id.asc(),
+                ClientRegistration.registration_number.asc(),
+            )
+        ).all()
+        for gstin_client_id, gstin_number in gstin_rows:
+            number = (gstin_number or "").strip()
+            if number:
+                gstins_by_client.setdefault(int(gstin_client_id), []).append(number)
         clients_query = select(Client).where(
             Client.tenant_id == tenant_id,
             Client.is_active.is_(True),
@@ -186,6 +209,7 @@ def bulk_registration_page(
                 types=types,
                 rules=rules,
                 consultants=consultants,
+                gstins_by_client=gstins_by_client,
                 created=created,
                 skipped=skipped,
                 invalid=invalid,