fix: use env.get_module_dbname('sage') instead of hardcoded 'sage'

discount/init.py

@@ -1138,7 +1138,7 @@ async def get_reseller_sales(request):
     userorgid = await env.get_userorgid()
     if not userorgid:
         return []
-    async with DBPools().sqlorContext('sage') as sor:
+    async with DBPools().sqlorContext(env.get_module_dbname('sage')) as sor:
         rows = await sor.sqlExe(
             """SELECT DISTINCT u.id as sale_id, COALESCE(u.username, u.nick_name, u.id) as sale_name
             FROM users u