src/vs/workbench/services/extensionManagement/common/extensionManagementService.ts/ExtensionManagementService/isExtensionsSyncEnabled
class ExtensionManagementService:	private isExtensionsSyncEnabled(): boolean {
		return this.userDataSyncEnablementService.isEnabled() && this.userDataSyncEnablementService.isResourceEnabled(SyncResource.Extensions);
	}