Change name of the form and form field for consistency

Following PR review.

Also update function name for update name of security key in
user api client to be more specific.

app/main/forms.py

@@ -2506,8 +2506,8 @@ class BroadcastAreaFormWithSelectAll(BroadcastAreaForm):
         return self.areas.data
 
 
-class ChangeNameOfSecurityKey(StripWhitespaceForm):
-    name_of_key = GovukTextInputField(
+class ChangeSecurityKeyNameForm(StripWhitespaceForm):
+    security_key_name = GovukTextInputField(
         'Name of key',
         validators=[
             DataRequired(message='Cannot be empty'),

app/main/views/user_profile.py

@@ -20,8 +20,8 @@ from app.main.forms import (
     ChangeEmailForm,
     ChangeMobileNumberForm,
     ChangeNameForm,
-    ChangeNameOfSecurityKey,
     ChangePasswordForm,
+    ChangeSecurityKeyNameForm,
     ConfirmPasswordForm,
     ServiceOnOffSettingForm,
     TwoFactorForm,
@@ -261,14 +261,14 @@ def user_profile_manage_security_key(key_id):
     if not security_key:
         abort(404)
 
-    form = ChangeNameOfSecurityKey(name_of_key=security_key["name"])
+    form = ChangeSecurityKeyNameForm(security_key_name=security_key["name"])
 
     if form.validate_on_submit():
-        if form.name_of_key.data != security_key["name"]:
-            user_api_client.update_webauthn_credential_for_user(
+        if form.security_key_name.data != security_key["name"]:
+            user_api_client.update_webauthn_credential_name_for_user(
                 user_id=current_user.id,
                 credential_id=key_id,
-                new_name_for_credential=form.name_of_key.data
+                new_name_for_credential=form.security_key_name.data
             )
         return redirect(url_for('.user_profile_security_keys'))
 

app/notify_client/user_api_client.py

@@ -201,7 +201,7 @@ class UserApiClient(NotifyAdminAPIClient):
 
         return self.post(endpoint, data=credential.serialize())
 
-    def update_webauthn_credential_for_user(self, *, user_id, credential_id, new_name_for_credential):
+    def update_webauthn_credential_name_for_user(self, *, user_id, credential_id, new_name_for_credential):
         endpoint = f'/user/{user_id}/webauthn/{credential_id}'
 
         return self.post(endpoint, data={"name": new_name_for_credential})

app/templates/views/user-profile/manage-security-key.html

@@ -19,7 +19,7 @@
   <div class="govuk-grid-row">
     <div class="govuk-grid-column-three-quarters">
       {% call form_wrapper(autocomplete=True) %}
-        {{ form.name_of_key }}
+        {{ form.security_key_name }}
         {{ page_footer(
           'Save',
           delete_link=url_for(