IBX-6612: [Customer] JS exception occurs while user navigate on content action menu (#970)

Author: GrabowskiM

src/bundle/Resources/views/themes/admin/content/edit_base.html.twig

@@ -4,8 +4,12 @@
 
 {% trans_default_domain 'content_edit' %}
 
+{% set target_id_prefix = target_id_prefix|default('ibexa-edit-content-sections-content-fields-') %}
 {% set grouped_fields = grouped_fields|default([]) %}
-{% set anchor_params = { items: grouped_fields|keys } %}
+{% set anchor_params = { items: grouped_fields|keys|map((label) => {
+    label,
+    target_id: target_id_prefix ~ label|lower|slug }
+) } %}
 {% set is_autosave_enabled = ibexa_user_settings['autosave'] is same as('enabled') %}
 {% set form_has_autosave = form.autosave is defined %}
 {% set default_form_templates = ibexa_admin_ui_config.contentEditFormTemplates %}
@@ -43,7 +47,7 @@
                             {% if grouped_fields|length > 1 %}
                                 {% for key, group in grouped_fields %}
                                     {% embed '@ibexadesign/ui/anchor_navigation_section.html.twig' with {
-                                        anchor_section_key: 'ibexa-edit-content-sections-content-fields-' ~ key|lower,
+                                        anchor_section_key: target_id_prefix ~ key,
                                     } %}
                                         {% trans_default_domain 'content_edit' %}
                                         {% import '@ibexadesign/content/edit_macros.html.twig' as edit_macros %}

src/bundle/Resources/views/themes/admin/ui/anchor_navigation_menu.html.twig

@@ -21,7 +21,7 @@
                 <ul class="ibexa-anchor-navigation-menu__sections ibexa-anchor-navigation-menu__sections--active">
                     {% for item in items %}
                         {% set item_label = item is iterable ? item.label : item %}
-                        {% set sanitized_item = item is iterable and item.target_id is defined ? item.target_id : item_label|slug %}
+                        {% set sanitized_item = item is iterable and item.target_id is defined ? item.target_id : item_label|lower|slug %}
 
                         <li class="ibexa-anchor-navigation-menu__sections-item">
                             <button

src/bundle/Resources/views/themes/admin/ui/anchor_navigation_section.html.twig

@@ -1,5 +1,5 @@
  <div
-     data-id="#{{ anchor_section_key|slug }}"
+     data-id="#{{ anchor_section_key|lower|slug }}"
      class="ibexa-anchor-navigation__section {{ anchor_section_class|default('') }}"
 >
     {% block anchor_section_content %}