[FIX] website: form visibility shows ids instead of labels

This commit resolves an issue (arose in [1]) where a select field was
displaying IDs instead of labels.

Steps to reproduce:

- Navigate to edit mode
- Drop a form block.
- Select the form action type "create customer" (CRM app must be
  installed).
- Add a field for "country".
- Add another field and set its visibility to depend on the country
  value.

Issue:
Users are seeing IDs instead of country labels.

[1]: a54f11e

task-3460326

addons/website/static/src/snippets/s_website_form/options.js

@@ -1340,7 +1340,7 @@ options.registry.WebsiteFieldEditor = FieldEditor.extend({
                 if (dependencyEl.nodeName === 'SELECT') {
                     for (const option of dependencyEl.querySelectorAll('option')) {
                         const button = document.createElement('we-button');
-                        button.textContent = option.value || `<${_t("no value")}>`;
+                        button.textContent = option.textContent || `<${_t("no value")}>`;
                         button.dataset.selectDataAttribute = option.value;
                         selectOptEl.append(button);
                     }