flectra/addons/hr_payroll/views/hr_employee_views.xml

<?xml version="1.0" encoding="utf-8"?>
<flectra>

    <!-- Employee View -->
    <record id="payroll_hr_employee_view_form" model="ir.ui.view">
        <field name="name">payroll.hr.employee.view.form</field>
        <field name="model">hr.employee</field>
        <field name="inherit_id" ref="hr.view_employee_form"/>
        <field name="arch" type="xml">
                <button name="toggle_active" position="before">
                    <button name="%(act_hr_employee_payslip_list)d"
                        class="oe_stat_button"
                        icon="fa-money"
                        type="action"
                        groups="hr_payroll.group_hr_payroll_user">
                        <field name="payslip_count" widget="statinfo" string="Payslips"/>
                    </button>
                </button>
        </field>
    </record>
</flectra>