Before this commit: After clicking one button and then clicking another, the link label didn't update on the link tools. After this commit: The link label now updates when clicking from one button to another. task-3514717 closes odoo/odoo#144954 X-original-commit: 372c86b70b20ee3992e6376d9b6dba3c3a4b78bc Signed-off-by: Geelen Sébastien (sge) <sge@odoo.com>