extensions/git/src/model.ts/Model/doInitialScan
class Model:	private async doInitialScan(): Promise<void> {
		await Promise.all([
			this.onDidChangeWorkspaceFolders({ added: workspace.workspaceFolders || [], removed: [] }),
			this.onDidChangeVisibleTextEditors(window.visibleTextEditors),
			this.scanWorkspaceFolders()
		]);
	}