[DEV] Backport Fixes from DEV branch

- BUG - Server being pinged constantly during direct connect or lan
- BUG - Single Player Nojang Server not returning null in multiplayer
- FEAT - Way to check if login/logout event was sent from vanish

.idea/misc.xml

@@ -12,7 +12,7 @@
   <component name="FrameworkDetectionExcludesConfiguration">
     <file type="web" url="file://$PROJECT_DIR$" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="corretto-21" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="temurin-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>