[IMP] hr_timesheet: add empty list tooltip
[IMP] hr_timesheet: add empty list tooltip

TaskID: 2088586

In 'My Timesheet' menu, in grid view when there is no record, the view
displays an empty list tooltip. With this commit, the 'All Timesheets'
menu, the empty list tooltip is also used when no record is displayed.

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo