dashboard: lazy loading panels as they become visible,fix, removed debunce #5216

public/app/features/panel/panel_directive.ts

@@ -180,11 +180,11 @@ module.directive('grafanaPanel', function($rootScope, $document) {
         return (0 < position.top) && (position.top < window.innerHeight);
       };
 
-      const refreshOnScroll = _.debounce(function () {
+      const refreshOnScroll = function () {
         if (ctrl.skippedLastRefresh) {
           ctrl.refresh();
         }
-      }, 250);
+      };
 
       $document.on('scroll', refreshOnScroll);
 

public/app/plugins/datasource/opentsdb/datasource.js

@@ -411,15 +411,15 @@ function (angular, _, dateMath) {
 
       if (target.filters && target.filters.length > 0) {
         query.filters = angular.copy(target.filters);
-        if(query.filters){
-          for(var filter_key in query.filters){
+        if (query.filters){
+          for (var filter_key in query.filters) {
             query.filters[filter_key].filter = templateSrv.replace(query.filters[filter_key].filter, options.scopedVars, 'pipe');
           }
         }
       } else {
         query.tags = angular.copy(target.tags);
-        if(query.tags){
-          for(var tag_key in query.tags){
+        if (query.tags){
+          for (var tag_key in query.tags) {
             query.tags[tag_key] = templateSrv.replace(query.tags[tag_key], options.scopedVars, 'pipe');
           }
         }