feat: bundle sparse package to integrate with windows context menu (#151186)

* chore: bundle and sign explorer appx

* chore: bump vscode-explorer-command@3.0.1

* chore: explorer install/uninstall stage for appx

* chore: fix format for cmd exec

* chore: cmd file path needs triple quotes

* chore: update vscode-explorer-command@3.0.2

* chore: add reg key for new context menu title

* chore: update vscode-explorer-command@3.0.3

* fix: guard behind insider quality

* chore: fix merge conflict

* fix: type mismatch

* chore: restrict context menu related actions for win11

* refactor appx loading/unloading, revert inno updater

* update powershell

* chore: undo inno_updater changes

* fix: appx install script

* fix: perform install after update step

* fix: mv appx install to files section

* chore: additional fixes

- Remove old context menu entries when updating to newer version
- Remove context menu entry when reinstalling without menu action selected.

* chore: update vscode-explorer-command@3.0.4

- Fixes garbled title for system installation

Co-authored-by: Joao Moreno <joao.moreno@microsoft.com>

build/gulpfile.vscode.js

@@ -371,6 +371,9 @@ function packageTask(platform, arch, sourceFolderName, destinationFolderName, op
 			result = es.merge(result, gulp.src('.build/policies/win32/**', { base: '.build/policies/win32' })
 				.pipe(rename(f => f.dirname = `policies/${f.dirname}`)));
 
+			if (quality === 'insider') {
+				result = es.merge(result, gulp.src('.build/win32/appx/**', { base: '.build/win32' }));
+			}
 		} else if (platform === 'linux') {
 			result = es.merge(result, gulp.src('resources/linux/bin/code.sh', { base: '.' })
 				.pipe(replace('@@PRODNAME@@', product.nameLong))