[16.0] CopyClipboardChar widget is not working properly, copy button is not copying the generated links.

[malaycmkhamar]

Impacted versions:

• 16.0

Steps to reproduce:
Open any view which has CopyClipboardChar widget and try to copy the generated links.

1) Sale order :
- Open any sale order record (Form view).
- Click on the Action toolbar and open a "Generate a Payment Link" wizard.
- Try to click on the copy button and see the generated links is not copying.
- Try to paste and check.

2) Project Task :
- Open any Project Task record (Form view).
- Click on the Action toolbar and open a "Share" wizard.
- Try to click on the copy button and see the generated links is not copying.
- Try to paste and check.

Current behaviour:
It should copy the generated link.

Expected behaviour:
Copy button should work and copy the generated link.

Video/Screenshot link (optional):

Support ticket number submitted via odoo.com/help (optional):