chnage page if the number of pages is lower then current page

CHANGELOG

@@ -15,6 +15,8 @@ minerva (16.0.0~alpha.1) stable; urgency=medium
     (#1376)
   * Small improvement: context menu exporting map is more precise about scope
     (#1447)
+  * Bug fix: refreshing page after removing last project on the page redirect to
+    proper page (#1051)
   * Bug fix: removing plugin that does not exist anymore does not raise an error
     (#1289)
   * Bug fix: broken overlays crashed minerva upgrade (#1453)

frontend-js/src/main/js/gui/admin/MapsAdminPanel.js

@@ -335,7 +335,10 @@ MapsAdminPanel.prototype.setProjects = function (projects) {
     }
     //it should be simplified, but I couldn't make it work
     dataTable.clear().rows.add(data).page(page).draw(false).page(page).draw(false);
-
+    if (page >= dataTable.page.info().pages) {
+      page = dataTable.page.info().pages - 1;
+      dataTable.page(page).draw(false)
+    }
   });
 };