[FIX] rating: display smiley and text below the title

Currently, after the customer sends the survey feedback, their ratings and
message (the smileys and text area) is displayed on the right of the title.

By this commit, the smileys and the text area should be displayed below
the title.

TaskID : 2452502

closes odoo/odoo#66308

X-original-commit: 261bf437e806fbf105597b66464c3a697e17e4d1
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>

addons/rating/views/rating_template.xml

@@ -19,8 +19,8 @@
             <t t-call="web.frontend_layout">
                 <div class="container card mb-5 mt-4 o_rating_page_submit">
                     <div class="card-body">
-                        <div class="row">
-                            <h1 class="mt-5">Thank you for rating our services!</h1>
+                        <div class="row text-center justify-content-center">
+                            <h1 class="col-12 mt-5">Thank you for rating our services!</h1>
                             <form t-attf-action="/rate/#{token}/submit_feedback" method="post">
                                 <div class="btn-group btn-group-toggle row" data-toggle="buttons">
                                     <t t-foreach="rate_names" t-as="rate_name">