Update ServiceContactDetailsForm with new fields

Changes its:
- StringFields to GovukTextInputFields
- EmailFields to GovukEmailFields

Includes changes to templates that use this form
and associated tests.

app/main/forms.py

@@ -1525,9 +1525,9 @@ class ServiceContactDetailsForm(StripWhitespaceForm):
         ],
     )
 
-    url = StringField("URL")
-    email_address = EmailField("Email address")
-    phone_number = StringField("Phone number")
+    url = GovukTextInputField("URL")
+    email_address = GovukEmailField("Email address")
+    phone_number = GovukTextInputField("Phone number")
 
     def validate(self):
 

app/templates/views/service-settings/send-files-by-email.html

@@ -1,5 +1,4 @@
 {% extends "withnav_template.html" %}
-{% from "components/textbox.html" import textbox %}
 {% from "components/page-header.html" import page_header %}
 {% from "components/page-footer.html" import page_footer %}
 {% from "components/radios.html" import radio %}
@@ -35,7 +34,7 @@
 
             {{ radio(option, data_target=data_target) }}
             <div class="panel panel-border-narrow js-hidden" id={{data_target}}>
-              {{ textbox(form|attr(option.data), label=' ', width='1-1') }}
+              {{ form|attr(option.data)(param_extensions={"classes": "govuk-!-width-full", "label": {"text": " "}}) }}
             </div>
           {% endfor %}
         {% endcall %}