UPD remove duplicated information from patch request confirm

templates/patch_request_confirm_template.j2

@@ -21,7 +21,7 @@
         {% if action['new_insert_type'] %}
         <b>New insert:</b> {{ action['new_insert_type'] }}<br>
         {% endif %}
-        {% if action['new_insert_assignment'] is defined %}
+        {% if action['new_insert_assignment'] is defined and (action['new_insert_assignment'] | length > 0) %}
         <b>BCD-assignment:</b> the following BCDs should be assigned to the new insert. Port names are only estimated, you might need to adjust them:<br>
         <ul>
             {% for assignment in action['new_insert_assignment'] %}

templates/patch_request_template.j2

@@ -22,7 +22,7 @@
         {% if action['new_insert_type'] %}
         <b>New insert:</b> {{ action['new_insert_type'] }}<br>
         {% endif %}
-        {% if action['new_insert_assignment'] is defined %}
+        {% if action['new_insert_assignment'] is defined and (action['new_insert_assignment'] | length > 0) %}
         <b>BCD-assignment:</b> the following BCDs should be assigned to the new insert. Port names are only estimated, you might need to adjust them:<br>
         <ul>
             {% for assignment in action['new_insert_assignment'] %}