Fixing typo in non-breaking space

Author: cassidysymons

microsetta_private_api/templates/email/missing_sample_info.jinja2

@@ -257,7 +257,7 @@
     </ul>
 </p>
 <p class="c1 c5">
-    <span class="c0">&nbsp</span>
+    <span class="c0">&nbsp;</span>
 </p>
 <p class="c8 c9">
     <span class="c0">{{ _("Once we have these details, we will update the record so the specimen can be processed appropriately.") }}</span>