[IMP] models: small optimization in onchange

closes odoo/odoo#84865

Signed-off-by: Vincent Schippefilt (vsc) <vsc@odoo.com>

odoo/models.py

@@ -6525,6 +6525,9 @@ Fields:
                     record._onchange_eval(name, field_onchange[name], result)
                 done.add(name)
 
+            if not env.context.get('recursive_onchanges', True):
+                break
+
             # determine which fields to process for the next pass
             todo = [
                 name
@@ -6532,9 +6535,6 @@ Fields:
                 if name not in done and snapshot0.has_changed(name)
             ]
 
-            if not env.context.get('recursive_onchanges', True):
-                todo = []
-
         # make the snapshot with the final values of record
         snapshot1 = Snapshot(record, nametree)