Add more Telemetry to Data Explorer (#242)

* Add Telemetry to command bar buttons

* Count and report # of files/notebooks/directories in myNotebook to telemetry

* Add resource tree clicks to Telemetry

* Log to Telemetry: opened notebook cell counts by type, kernelspec name

* Fix unit test

* Move Telemetry processor call in notebook traceNotebookTelemetry action from reducer to epic. Use action to trace other info.

* Fix react duplicate key error

* Log notebook cell context menu actions

* Reformat and cleanup

* Move resource tree tracing code out of render(). Only call once when tree is updated

* Fix build issues

src/Explorer/Controls/TreeComponent/TreeComponent.tsx

@@ -18,6 +18,8 @@ import {
 import TriangleDownIcon from "../../../../images/Triangle-down.svg";
 import TriangleRightIcon from "../../../../images/Triangle-right.svg";
 import LoadingIndicator_3Squares from "../../../../images/LoadingIndicator_3Squares.gif";
+import * as TelemetryProcessor from "../../../Shared/Telemetry/TelemetryProcessor";
+import { Action, ActionModifiers } from "../../../Shared/Telemetry/TelemetryConstants";
 
 export interface TreeNodeMenuItem {
   label: string;
@@ -276,7 +278,12 @@ export class TreeNodeComponent extends React.Component<TreeNodeComponentProps, T
               text: menuItem.label,
               disabled: menuItem.isDisabled,
               className: menuItem.styleClass,
-              onClick: menuItem.onClick,
+              onClick: () => {
+                menuItem.onClick();
+                TelemetryProcessor.trace(Action.ClickResourceTreeNodeContextMenuItem, ActionModifiers.Mark, {
+                  label: menuItem.label
+                });
+              },
               onRenderIcon: (props: any) => <img src={menuItem.iconSrc} alt="" />
             }))
           }}

src/Explorer/Controls/TreeComponent/__snapshots__/TreeComponent.test.tsx.snap

@@ -191,7 +191,7 @@ exports[`TreeNodeComponent renders a simple node (sorted children, expanded) 1`]
                 "className": undefined,
                 "disabled": true,
                 "key": "menuLabel",
-                "onClick": undefined,
+                "onClick": [Function],
                 "onRenderIcon": [Function],
                 "text": "menuLabel",
               },