Secret retention fixes

app/src/main/java/io/xpipe/app/storage/DataStorageEncryption.java

@@ -32,6 +32,10 @@ public class DataStorageEncryption {
             }
 
             var read = secret.getInternalSecret().mapSecretValueFailable(chars -> {
+                if (chars.length == 0) {
+                    return JsonNodeFactory.instance.missingNode();
+                }
+
                 return JacksonMapper.getDefault().readTree(new CharArrayReader(chars));
             });
             if (read != null) {

app/src/main/java/io/xpipe/app/util/SecretManager.java

@@ -51,8 +51,15 @@ public class SecretManager {
             return null;
         }
 
-        var p = expectAskpass(UUID.randomUUID(), UuidHelper.generateFromObject(store, sub), List.of(strategy.query()), SecretQuery.prompt(false), CountDown.of());
-        return p.process(prompt);
+        var uuid = UUID.randomUUID();
+        var p = expectAskpass(uuid, UuidHelper.generateFromObject(store, sub), List.of(strategy.query()), SecretQuery.prompt(false), CountDown.of());
+        var r = p.process(prompt);
+        completeRequest(uuid);
+        return r;
+    }
+
+    public static void completeRequest(UUID request) {
+        progress.removeIf(secretQueryProgress -> secretQueryProgress.getRequestId().equals(request));
     }
 
     public static void clearAll(Object store) {

core/src/main/java/io/xpipe/core/process/ProcessControl.java

@@ -6,6 +6,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.nio.charset.Charset;
+import java.util.UUID;
 
 public interface ProcessControl extends AutoCloseable {
 
@@ -14,6 +15,7 @@ public interface ProcessControl extends AutoCloseable {
         <T extends Throwable> T convert(T t);
     }
 
+    UUID getUuid();
 
     ProcessControl withExceptionConverter(ExceptionConverter converter);