minor css fix

public/sass/components/_dashboard_grid.scss

@@ -3,7 +3,13 @@
 
 .panel-in-fullscreen {
   .react-grid-layout {
-    height: calc(100% - 20px) !important;
+    height: 100% !important;
+  }
+
+  .dashboard-container--has-submenu {
+    .react-grid-layout {
+      height: calc(100% - 50px) !important;
+    }
   }
 
   .react-grid-item {