Native files are now stored in the OS temp directory.

Temp folder is deleted when minecraft is closed. If the Node.js process ends abruptly, the folder will not delete. As a dirty way to counter this, the directory we extract native files to is cleaned in the preloader. Maybe we'll come up with a more elegant solution in the future.

app/assets/js/actionbinder.js

@@ -234,7 +234,7 @@ function asyncSystemScan(launchAfter = true){
     
     sysAEx.on('message', (m) => {
         if(m.content === 'validateJava'){
-            m.result = null
+
             if(m.result == null){
                 // If the result is null, no valid Java installation was found.
                 // Show this information to the user.