Fix title for previous live lessons

apps/school/templates/blocks/schedule_purchased.html

@@ -19,7 +19,11 @@
       </div>
       <div class="casing__col">
         <div class="casing__head">
+          {% if is_previous %}
+          <div class="casing__title title">Запись уроков</div>
+          {% else %}
           <div class="casing__title title">Новые уроки</div>
+          {% endif %}
           <label class="casing__switcher switcher">
             <span class="switcher__wrap">
               <a href="{% url 'school:school' %}?is_previous=true" class="switcher__item{% if is_previous %} active{% endif %}">запись уроков</a>