src/vs/workbench/services/extensionManagement/browser/webExtensionsScannerService.ts/WebExtensionsScannerService/readInstalledExtensions
class WebExtensionsScannerService:	private async readInstalledExtensions(profileLocation: URI): Promise<IWebExtension[]> {
		if (this.uriIdentityService.extUri.isEqual(profileLocation, this.userDataProfilesService.defaultProfile.extensionsResource)) {
			await this.migratePackageNLSUris();
		}
		return this.withWebExtensions(profileLocation);
	}