[FIX] web: log logger warning instead error in assets

Currently, log level error mesage occur when`ValueError` is catched by line [1].

This commit changes 'logger.error' to 'logger.warning' with filename to
log message instead of error since this is not an actual error of the codebase.

[1]-https://github.com/odoo/odoo/blob/3932c46f914c40be4b0629771d1981cdf289df26/addons/web/controllers/binary.py#L131

sentry-4657682601

closes odoo/odoo#158342

Signed-off-by: Xavier Dollé (xdo) <xdo@odoo.com>

addons/web/controllers/binary.py

@@ -129,7 +129,7 @@ class Binary(http.Controller):
                 elif js and bundle.javascripts:
                     attachment = bundle.js()
             except ValueError as e:
-                _logger.error(e.args[0])
+                _logger.warning("Parsing asset bundle %s has failed: %s", filename, e)
                 raise request.not_found() from e
         if not attachment:
             raise request.not_found()