Use one file handle for state writing

src/main/java/me/voidxwalker/worldpreview/StateOutputHelper.java

@@ -3,8 +3,8 @@
 import org.apache.logging.log4j.Level;
 
 import java.io.IOException;
+import java.io.RandomAccessFile;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.concurrent.ExecutorService;
@@ -21,6 +21,8 @@ public final class StateOutputHelper {
     public static boolean titleHasEverLoaded = false;
     private static String lastOutput = "";
 
+    private static RandomAccessFile stateFile;
+
 
     private StateOutputHelper() {
     }
@@ -44,8 +46,12 @@ public static void outputState(String string) {
 
     private static void outputStateInternal(String string) {
         try {
-            // Java 11+ method
-            Files.write(OUT_PATH, string.getBytes(StandardCharsets.UTF_8));
+            if(stateFile == null){ // opening file only once is better for performance
+                stateFile = new RandomAccessFile(OUT_PATH.toString(), "rw");
+            }
+            stateFile.setLength(0); // clear existing file contents
+            stateFile.seek(0); // move pointer back to start of file
+            stateFile.write(string.getBytes(StandardCharsets.UTF_8));
             WorldPreview.log(Level.INFO, "WorldPreview State: " + string);
         } catch (IOException ignored) {
             WorldPreview.log(Level.ERROR, "Failed to write state output!");