add setting for bringing up the variable view

package.json

@@ -1403,6 +1403,12 @@
                     "description": "Enables the preview debugging experience. Set to true to enable the debugging mode button on native notebooks. Your selected kernel should also have ipykernel 6 installed in order to support debugging. Clicking the button will start a debugging session and will allow you to set and hit breakpoints.",
                     "scope": "application"
                 },
+                "jupyter.showVariableViewWhenDebugging": {
+                    "type": "boolean",
+                    "default": true,
+                    "description": "Bring up the Variable View when starting a Run by Line session.",
+                    "scope": "application"
+                },
                 "jupyter.logging.level": {
                     "type": "string",
                     "default": "debug",

src/client/common/configSettings.ts

@@ -92,6 +92,8 @@ export class JupyterSettings implements IWatchableJupyterSettings {
     // Hidden settings not surfaced in package.json
     public disableZMQSupport: boolean = false;
     public verboseLogging: boolean = false;
+    public showVariableViewWhenDebugging: boolean = true;
+
     public variableTooltipFields: IVariableTooltipFields = {
         python: {
             Tensor: ['shape', 'dtype', 'device']

src/client/common/types.ts

@@ -174,6 +174,7 @@ export interface IJupyterSettings {
     readonly interactiveWindowMode: InteractiveWindowMode;
     readonly disableZMQSupport: boolean;
     readonly variableTooltipFields: IVariableTooltipFields;
+    readonly showVariableViewWhenDebugging: boolean;
 }
 
 export interface IVariableTooltipFields {

src/client/debugger/jupyter/debuggingManager.ts

@@ -20,7 +20,7 @@ import {
 } from 'vscode';
 import * as path from 'path';
 import { IKernel, IKernelProvider } from '../../datascience/jupyter/kernels/types';
-import { IDisposable, Product, ProductInstallStatus } from '../../common/types';
+import { IConfigurationService, IDisposable, Product, ProductInstallStatus } from '../../common/types';
 import { IKernelDebugAdapterConfig, KernelDebugAdapter, KernelDebugMode } from './kernelDebugAdapter';
 import { INotebookProvider } from '../../datascience/types';
 import { IExtensionSingleActivationService } from '../../activation/types';
@@ -97,7 +97,8 @@ export class DebuggingManager implements IExtensionSingleActivationService, IDeb
         @inject(IApplicationShell) private readonly appShell: IApplicationShell,
         @inject(IVSCodeNotebook) private readonly vscNotebook: IVSCodeNotebook,
         @inject(IFileSystem) private fs: IFileSystem,
-        @inject(IPythonInstaller) private pythonInstaller: IPythonInstaller
+        @inject(IPythonInstaller) private pythonInstaller: IPythonInstaller,
+        @inject(IConfigurationService) private settings: IConfigurationService
     ) {
         this.debuggingInProgress = new ContextKey(EditorContexts.DebuggingInProgress, this.commandManager);
         this.runByLineInProgress = new ContextKey(EditorContexts.RunByLineInProgress, this.commandManager);
@@ -147,7 +148,8 @@ export class DebuggingManager implements IExtensionSingleActivationService, IDeb
                                     notebook.session,
                                     this.commandManager,
                                     this.fs,
-                                    kernel
+                                    kernel,
+                                    this.settings
                                 );
                                 this.disposables.push(
                                     adapter.onDidSendMessage((msg: DebugProtocolMessage) => {

src/client/debugger/jupyter/kernelDebugAdapter.ts

@@ -27,7 +27,7 @@ import { ICommandManager } from '../../common/application/types';
 import { traceError, traceVerbose } from '../../common/logger';
 import { IFileSystem } from '../../common/platform/types';
 import { IKernelDebugAdapter } from '../types';
-import { IDisposable } from '../../common/types';
+import { IConfigurationService, IDisposable } from '../../common/types';
 import { Commands, Identifiers } from '../../datascience/constants';
 import { IKernel } from '../../datascience/jupyter/kernels/types';
 import { sendTelemetryEvent } from '../../telemetry';
@@ -95,7 +95,8 @@ export class KernelDebugAdapter implements DebugAdapter, IKernelDebugAdapter, ID
         private readonly jupyterSession: IJupyterSession,
         private commandManager: ICommandManager,
         private fs: IFileSystem,
-        private readonly kernel: IKernel | undefined
+        private readonly kernel: IKernel | undefined,
+        private settings: IConfigurationService
     ) {
         void this.dumpAllCells();
 
@@ -506,7 +507,10 @@ export class KernelDebugAdapter implements DebugAdapter, IKernelDebugAdapter, ID
             this.sendRequestToJupyterSession(message);
 
             // Open variable view
-            await this.commandManager.executeCommand(Commands.OpenVariableView);
+            const settings = this.settings.getSettings();
+            if (settings.showVariableViewWhenDebugging) {
+                await this.commandManager.executeCommand(Commands.OpenVariableView);
+            }
         }
 
         // Run cell