Update install button label (#16284)

Author: DonJayamanne

src/notebooks/controllers/commands/installPythonControllerCommands.ts

@@ -48,10 +48,12 @@ export class InstallPythonControllerCommands implements IExtensionSyncActivation
     // when this command is installed, user will have to manually install python and rerun the cell
     private async installPythonViaKernelPicker(): Promise<void> {
         sendTelemetryEvent(Telemetry.PythonNotInstalled, undefined, { action: 'displayed' });
-        const buttons = this.installedOnceBefore ? [Common.install, Common.reload] : [Common.install];
+        const buttons = this.installedOnceBefore
+            ? [Common.downloadAndInstall, Common.reload]
+            : [Common.downloadAndInstall];
         const selection = await window.showErrorMessage(DataScience.pythonNotInstalled, { modal: true }, ...buttons);
 
-        if (selection === Common.install) {
+        if (selection === Common.downloadAndInstall) {
             this.installedOnceBefore = true;
             sendTelemetryEvent(Telemetry.PythonNotInstalled, undefined, { action: 'download' });
             // Activate the python extension command to show how to install python

src/platform/common/utils/localize.ts

@@ -18,6 +18,7 @@ export namespace Common {
     export const refresh = l10n.t('Refresh');
     export const refreshing = l10n.t('Refreshing...');
     export const install = l10n.t('Install');
+    export const downloadAndInstall = l10n.t('Download and Install');
     export const loadingExtension = l10n.t('Jupyter Extension loading...');
     export const handleExtensionActivationError = l10n.t(
         "Extension activation failed, run the 'Developer: Toggle Developer Tools' command for more information."