before this commit: if user enters some random value in daterange widget and
click outside the daterange field it throws traceback while it should not throw
traceback, it should only warn user that you are entering wrong value.
after this commit: if user enters some random value in daterange widget then it
will show warning toaster that you are entering wrong value.
task-2410523
closesodoo/odoo#73366
X-original-commit: 588d133f3daf28e0ce69052ae57ad89c5a96eb3a
Signed-off-by: Simon Genin (ges@odoo) <ges@odoo.com>