[Monitor Dashboard | Trunk]: Add hide controls on bottom left to handle sidebar

git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-monitor-portal/trunk/monitor_dashboard@57955 d315682c-612b-4755-9ff5-7f18f6832af3

src/assets/theme-assets/dashboard-custom.css

@@ -50,6 +50,12 @@ html .dashboard {
   background: rgba(240,240,240,0);
 }
 
+@media only screen and (max-width: 767px) {
+  .dashboard #hide_controls {
+    width: 280px;
+  }
+}
+
 .dashboard #hide_controls > *{
   padding: 5px;
 }