[FIX] website: ensure mobile version of ecommerce steps are translated

Appending strings within a `t-out` for a website template makes it so
that it can never be translated. Instead the string should be written
like normal text so that it is correctly seen as to be translated and
`t-out` only the next step so that it's also correctly matched as to be
translated.

opw-3700815

closes odoo/odoo#152312

Signed-off-by: Tiffany Chang (tic) <tic@odoo.com>

addons/website/i18n/website.pot

@@ -7711,6 +7711,11 @@ msgstr ""
 msgid "Next"
 msgstr ""
 
+#. module: website
+#: model_terms:ir.ui.view,arch_db:website.step_wizard
+msgid "Next:"
+msgstr ""
+
 #. module: website
 #: model_terms:ir.ui.view,arch_db:website.s_tabs_options
 msgid "No Slide Effect"

addons/website/views/website_templates.xml

@@ -2789,8 +2789,9 @@ Sitemap: <t t-esc="url_root"/>sitemap.xml
                     </ul>
                 </div>
                 <span t-if="next_step"
-                        class="d-inline-block d-md-none text-muted"
-                        t-out="'Next: ' + next_step[1]['name']"/>
+                        class="d-inline-block d-md-none text-muted">
+                        Next: <t t-out="next_step[1]['name']"/>
+                </span>
             </div>
         </div>
         <div class="o_wizard_circle_progress progress d-md-none position-relative rounded-circle ms-3 bg-transparent"