[IMP] all: Improve res.config perf on method execute

Purpose
=======

Several actions are done even if nothing has changed on the configuration.

Example:
Writing on a cron the same value makes a dummy write-lock on the table
...

Part-of: odoo/odoo#82999

addons/auth_oauth/models/res_config_settings.py

@@ -1,12 +1,8 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-import logging
-
 from odoo import api, fields, models
 
-_logger = logging.getLogger(__name__)
-
 
 class ResConfigSettings(models.TransientModel):
     _inherit = 'res.config.settings'
@@ -23,17 +19,18 @@ class ResConfigSettings(models.TransientModel):
     def get_values(self):
         res = super(ResConfigSettings, self).get_values()
         google_provider = self.env.ref('auth_oauth.provider_google', False)
-        google_provider and res.update(
-            auth_oauth_google_enabled=google_provider.enabled,
-            auth_oauth_google_client_id=google_provider.client_id,
-            server_uri_google=self.get_uri(),
-        )
+        if google_provider:
+            res.update(
+                auth_oauth_google_enabled=google_provider.enabled,
+                auth_oauth_google_client_id=google_provider.client_id,
+                server_uri_google=self.get_uri())
         return res
 
     def set_values(self):
-        super(ResConfigSettings, self).set_values()
+        super().set_values()
         google_provider = self.env.ref('auth_oauth.provider_google', False)
-        google_provider and google_provider.write({
-            'enabled': self.auth_oauth_google_enabled,
-            'client_id': self.auth_oauth_google_client_id,
-        })
+        if google_provider:
+            google_provider.write({
+                'enabled': self.auth_oauth_google_enabled,
+                'client_id': self.auth_oauth_google_client_id,
+            })