[FIX] project: display avatar in 'my tasks' page

Steps to reproduce:

 - Install Project module
 - Login as admin
 - Create a task an assign it to admin
 - Go to 'My Tasks' page (`example.com/my/tasks`)

Issue:

  The avatar of assignee is not displayed.

Cause:

  Using a row over two elements that are already in a table.

Solution:

  Add `px-0` bootstrap CSS class to the avatar.

opw-3592972

closes odoo/odoo#147369

X-original-commit: fc94a19c3ae66765a2f814533c17d6ec0f9533fb
Signed-off-by: Xavier Bol (xbo) <xbo@odoo.com>
Signed-off-by: Nasreddin Boulif (bon) <bon@odoo.com>

addons/project/views/project_portal_project_task_templates.xml

@@ -75,7 +75,8 @@
                                 </td>
                                 <td>
                                     <t t-set="assignees" t-value="task.sudo().user_ids"/>
-                                    <div t-if="assignees" class="row flex-nowrap">
+                                    <div t-if="assignees" class="row flex-nowrap ps-3">
+                                        <img class="rounded-circle o_portal_contact_img me-2 px-0" t-attf-src="#{image_data_uri(assignees[:1].avatar_128)}" alt="User" style="width: 20px; height: 20px;"/>
                                         <span t-out="'%s%s' % (assignees[:1].name, ' + %s others' % len(assignees[1:]) if len(assignees.user_ids) > 1 else '')" t-att-title="'\n'.join(assignees.mapped('name'))"/>
                                     </div>
                                 </td>