[WEB] Issues with file manager

[Osiris-Team]

[java.base/sun.nio.ch.NioSocketImpl.implWrite(NioSocketImpl.java:420), java.base/sun.nio.ch.NioSocketImpl.write(NioSocketImpl.java:440), java.base/sun.nio.ch.NioSocketImpl$2.write(NioSocketImpl.java:826), java.base/java.net.Socket$SocketOutputStream.write(Socket.java:1035), java.base/sun.security.ssl.SSLSocketOutputRecord.deliver(SSLSocketOutputRecord.java:340), java.base/sun.security.ssl.SSLSocketImpl$AppOutputStream.write(SSLSocketImpl.java:1298), java.base/sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:234), java.base/sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:313), java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318), java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:160), java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:248), java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257), com.osiris.autoplug.webserver.utils.UFDataOut.write(UFDataOut.java:28), com.osiris.autoplug.webserver.utils.UFDataOut.writeLine(UFDataOut.java:32), com.osiris.autoplug.webserver.utils.UFDataOut.writeByte(UFDataOut.java:65), com.osiris.autoplug.webserver.client.connections.file_manager.ConFileManager.getRoots(ConFileManager.java:124), com.osiris.autoplug.webserver.views.user.server.SectionFileManager.lambda$setDirectoryView$3(SectionFileManager.java:203), org.vaadin.flow.helper.AsyncTask.lambda$createFutureTask$0(AsyncTask.java:194), java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539), java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264), java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136), java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635), java.base/java.lang.Thread.run(Thread.java:833)]