src/vs/platform/workspaces/electron-main/workspacesMainService.ts/WorkspacesMainService/enterWorkspace
class WorkspacesMainService:	async enterWorkspace(windowId: number, path: URI): Promise<IEnterWorkspaceResult | undefined> {
		const window = this.windowsMainService.getWindowById(windowId);
		if (window) {
			return this.workspacesManagementMainService.enterWorkspace(window, this.windowsMainService.getWindows(), path);
		}

		return undefined;
	}