[FIX] hr_work_entry: unit of period not aligned

Before this commit, 'hours' was on the next row instead of the same line.

closes odoo/odoo#66640

X-original-commit: 6820eef1e9dfe2695560ebcf265a5d69c38e4f91
Signed-off-by: Pierre Paridans <pparidans@users.noreply.github.com>
Signed-off-by: Adrien Dieudonné (adr) <adr@odoo.com>

addons/hr_work_entry/views/hr_work_entry_views.xml

@@ -60,7 +60,7 @@
                             <field name="date_start" attrs="{'readonly': [('state', '!=', 'draft')]}" />
                             <field name="date_stop" attrs="{'readonly': [('state', '!=', 'draft')]}" />
                             <label for="duration" string="Period"/>
-                            <div>
+                            <div class="o_row">
                                 <field name="duration" nolabel="1" attrs="{'readonly': [('state', '!=', 'draft')]}" /><span class="ml8">Hours</span>
                             </div>
                             <field name="company_id" invisible="1"/>