fix: order in the view of the signatures in the certificate when choice print

lms/static/certificates/sass/_layouts.scss

@@ -281,6 +281,13 @@
       @include text-align(center);
     }
 
+    @media print{
+      .list-signatories{
+        justify-content: center;
+        display: inline-flex !important;
+      }
+    }
+
     .signatory {
       display: inline-block;
       vertical-align: middle;