Modify script in layouts/partials/dashboards.html

This enables dashboard cards to show up even if there is no matching
entry in the EBI index file yet.
These cards will be at the bottom of the dashboard grid and display a
text indicating the absence of entry in EBI index.

layouts/partials/dashboards.html

@@ -167,11 +167,14 @@ <h6><a href="{{ .Page.RelPermalink }}">{{ .Name }}</a></h6>
                  month: 'short',
                  day: 'numeric'
              });
-
              cardData.push({ card, updatedDate });
 
          } else {
-             spanElement.textContent = 'No matching entry in EBI index';
+             // In case there is no entry in the EBI file yet,
+             // we add a mock date for the reordering to keep working
+             spanElement.textContent = 'not yet available';
+             updatedDate = new Date('1900-01-01');
+             cardData.push({ card, updatedDate });
          }
      });