Fixup TsFmtFormatterStep for roundtripping.

Author: nedtwigg

lib/src/main/java/com/diffplug/spotless/npm/TsFmtFormatterStep.java

@@ -94,7 +94,7 @@ public State(String stepName, Map<String, String> versions, File projectDir, Fil
 		public FormatterFunc createFormatterFunc() {
 			try {
 				Map<String, Object> tsFmtOptions = unifyOptions();
-				ServerProcessInfo tsfmtRestServer = npmRunServer();
+				ServerProcessInfo tsfmtRestServer = toRuntime().npmRunServer();
 				TsFmtRestService restService = new TsFmtRestService(tsfmtRestServer.getBaseUrl());
 				return Closeable.ofDangerous(() -> endServer(restService, tsfmtRestServer), input -> restService.format(input, tsFmtOptions));
 			} catch (IOException e) {

lib/src/main/java/com/diffplug/spotless/npm/TypedTsFmtConfigFile.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 DiffPlug
+ * Copyright 2016-2024 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,15 +18,9 @@
 import static java.util.Objects.requireNonNull;
 
 import java.io.File;
-import java.io.IOException;
 import java.io.Serializable;
 import java.util.Locale;
 
-import com.diffplug.spotless.FileSignature;
-import com.diffplug.spotless.ThrowingEx;
-
-import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
-
 public class TypedTsFmtConfigFile implements Serializable {
 
 	private static final long serialVersionUID = -4442310349275775501L;
@@ -35,18 +29,9 @@ public class TypedTsFmtConfigFile implements Serializable {
 
 	private final File configFile;
 
-	@SuppressFBWarnings("SE_TRANSIENT_FIELD_NOT_RESTORED")
-	@SuppressWarnings("unused")
-	private final FileSignature configFileSignature;
-
 	public TypedTsFmtConfigFile(TsConfigFileType configFileType, File configFile) {
 		this.configFileType = requireNonNull(configFileType);
 		this.configFile = requireNonNull(configFile);
-		try {
-			this.configFileSignature = FileSignature.signAsList(configFile);
-		} catch (IOException e) {
-			throw ThrowingEx.asRuntime(e);
-		}
 	}
 
 	TsConfigFileType configFileType() {