src/vs/workbench/services/workingCopy/common/storedFileWorkingCopyManager.ts/StoredFileWorkingCopyManager/onDidChangeFileSystemProviderRegistrations
class StoredFileWorkingCopyManager:	private onDidChangeFileSystemProviderRegistrations(e: IFileSystemProviderRegistrationEvent): void {
		if (!e.added) {
			return; // only if added
		}

		// Resolve working copies again for file systems that registered
		// to account for capability changes: extensions may unregister
		// and register the same provider with different capabilities,
		// so we want to ensure to fetch latest metadata (e.g. readonly)
		// into all working copies.
		this.queueWorkingCopyReloads(e.scheme);
	}