Added a new ‘condition’ attribute for tab for logic to process if it …

…should display or not

templates/forms/fields/tabs/tabs.html.twig

@@ -43,7 +43,7 @@
 
         <div class="tabs-nav">
             {% for tab in tabs %}
-                {% if tab.type == 'tab' %}
+                {% if tab.type == 'tab' and (tab.condition is null or tab.condition == true) %}
                 <a class="tab__link {{ (storedTab == scope ~ tab.name) or active == loop.index ? 'active' : '' }}" data-tabid="tab-{{ tabsKey ~ loop.index }}" data-tabkey="tab-{{ tabsKey }}" data-scope="{{ scope ~ tab.name }}">
                 <span>{{ tab.title|t }}</span>
                 {% endif %}