drug data is restored from session

frontend-js/src/main/js/minerva.js

@@ -53,6 +53,15 @@ function restoreSearchQuery(customMap) {
   }
 };
 
+function restoreDrugQuery(customMap) {
+  var query = ServerConnector.getSessionData().getDrugQuery();
+  if (query!==undefined) {
+    return customMap.getOverlayByName("drug").searchByEncodedQuery(query);
+  } else {
+    return Promise.resolve();
+  }
+};
+
 function create(params) {
   if (global.GuiConnector === undefined) {
     global.GuiConnector = OriginalGuiConnector;
@@ -126,6 +135,8 @@ function create(params) {
     result.refreshOverlays().then(function() {
       return restoreSearchQuery(result);
     }).then(function(){
+      return restoreDrugQuery(result);
+    }).then(function(){
       
       if (ServerConnector.getSessionData().getShowComments()) {
         result.getControl(ControlType.COMMENT_CHECKBOX).checked=true;