Update BuildMap.java

Author: Frotty

de.peeeq.wurstscript/src/main/java/de/peeeq/wurstio/languageserver/requests/BuildMap.java

@@ -15,6 +15,7 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Files;
 import java.util.List;
 import java.util.Optional;
 
@@ -66,6 +67,8 @@ public Object execute(ModelManager modelManager) throws IOException {
 
             injectMapData(gui, targetMap, result);
 
+            Files.copy(getCachedMapFile().toPath(), targetMap.get().toPath(), java.nio.file.StandardCopyOption.REPLACE_EXISTING);
+
             gui.sendProgress("Finalizing map");
 
             try (MpqEditor mpq = MpqEditorFactory.getEditor(targetMap)) {