Fix for recorded deduction

* fixes bug where deduction of a recorded intervention could be deleted from the eco account detail view
* improves check_for_recorded_instance() logic
* improves rendering of detail view on compensation-like objects to highlight missing data

ema/templates/ema/detail/includes/actions.html

@@ -71,6 +71,10 @@
                     {% endif %}
                 </td>
             </tr>
+            {% empty %}
+            <div class="alert alert-danger mb-0">
+                {% trans 'Missing' %}
+            </div>
             {% endfor %}
             </tbody>
         </table>

ema/templates/ema/detail/includes/states-after.html

@@ -66,6 +66,10 @@
                     {% endif %}
                 </td>
             </tr>
+            {% empty %}
+            <div class="alert alert-danger mb-0">
+                {% trans 'Missing' %}
+            </div>
             {% endfor %}
             </tbody>
         </table>

ema/templates/ema/detail/includes/states-before.html

@@ -66,6 +66,10 @@
                     {% endif %}
                 </td>
             </tr>
+            {% empty %}
+            <div class="alert alert-danger mb-0">
+                {% trans 'Missing' %}
+            </div>
             {% endfor %}
             </tbody>
         </table>