Set a max limit to sqlite backend

SQLite does not support offset without a limit. So we must use a negative value
to have no upper bound.

issue11126
review395291002
(grafted from c792075308e92e56dc6c8c052fa58041c508c9aa)

--HG--
branch : 6.0

trytond/backend/sqlite/database.py

@@ -322,7 +322,8 @@ class Database(DatabaseInterface):
     _local = threading.local()
     _conn = None
     flavor = Flavor(
-        paramstyle='qmark', function_mapping=MAPPING, null_ordering=False)
+        paramstyle='qmark', function_mapping=MAPPING, null_ordering=False,
+        max_limit=-1)
     IN_MAX = 200
 
     TYPES_MAPPING = {