_*= account, hr_timesheet This commit improves the Portal functionality and add email template: - improve email template for invoice includes timesheet (add link in mail which redirect to timesheets linked with invoice). - improve timesheets template by renaming labels and internal header/footer. task-3251680 closes odoo/odoo#127224 Related: odoo/enterprise#43593 Signed-off-by: Xavier Bol (xbo) <xbo@odoo.com>