fixed wrong class name reference of updater loader

jams-server/src/main/java/net/jami/jams/server/core/workflows/InstallationFinalizer.java

@@ -12,6 +12,7 @@ import net.jami.jams.nameserver.PublicNameServer;
 import net.jami.jams.server.Server;
 import net.jami.jams.server.servlets.api.install.CachedObjects;
 import net.jami.jams.server.startup.AuthModuleLoader;
+import net.jami.jams.server.startup.UpdaterLoader;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -92,6 +93,8 @@ public class InstallationFinalizer {
             ks.store(fos, password);
             fos.close();
             log.info("Successfully built keystore for for tomcat!");
+            appUpdater = UpdaterLoader.loadUpdater();
+            log.info("Started subscription and update service!");
             Server.isInstalled.set(true);
             log.info("The installation has completed successfully, you can now use JAMS!");
         } catch (Exception e) {

jams-server/src/main/java/net/jami/jams/server/startup/UpdaterLoader.java

@@ -9,9 +9,9 @@ public class UpdaterLoader {
 
     public static AppUpdater loadUpdater() {
         try {
-            Class<?> cls = LibraryLoader.classLoader.loadClass("net.jami.jams.common.updater.AppUpdater");
+            Class<?> cls = LibraryLoader.classLoader.loadClass("net.jami.jams.updater.JAMSUpdater");
             log.info("Updater service started...");
-            return  (AppUpdater) cls.getConstructor().newInstance();
+            return (AppUpdater) cls.getConstructor().newInstance();
         }
         catch (Exception e){
             log.error("Could not load update module...");

updater/src/main/java/net/jami/jams/updater/JAMSUpdater.java

@@ -6,6 +6,9 @@ public class JAMSUpdater implements AppUpdater {
 
     UpdateDownloader updateDownloader = new UpdateDownloader();
 
+    public JAMSUpdater() {
+    }
+
     @Override
     public String getCurrentVersion() {
         return null;