Before this commit, in case of Google Translate is enable, some content
can be wrapped in extra node.
Use currentTarget is more secure to get the right element clicked.
**Steps to reproduce:**
1. Add a website and multiple language
2. Create a page in 2 languages
3. Visit the website in Chrome and enable the translation by Google translate
4. Change the language and you should get an error similar to:
Error:
Uncaught TypeError: Cannot read property 'replace' of undefined
closesodoo/odoo#62849
X-original-commit: a2ebc05c83de305bc0323f2793ac06dbc15c63cd
Signed-off-by: Jérémy Kersten (jke) <jke@openerp.com>