fix(cli): fix and add debug log messages in initialization phase (PR #1362)

* Fix log level settings in the CLI
* Add log messages in initialization phase

jadx-plugins/jadx-plugins-api/src/main/java/jadx/api/plugins/JadxPluginManager.java

@@ -39,6 +39,7 @@ public class JadxPluginManager {
 		ServiceLoader<JadxPlugin> jadxPlugins = ServiceLoader.load(JadxPlugin.class);
 		for (JadxPlugin plugin : jadxPlugins) {
 			addPlugin(plugin);
+			LOG.debug("Loading plugin: {}", plugin.getPluginInfo().getPluginId());
 		}
 		resolve();
 	}