Fix /geyser reload on Spigot

Fixes #3478

bootstrap/spigot/src/main/java/org/geysermc/geyser/platform/spigot/GeyserSpigotPlugin.java

@@ -195,6 +195,9 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
 
         geyserConfig.loadFloodgate(this);
 
+        this.geyserCommandManager = new GeyserSpigotCommandManager(geyser);
+        this.geyserCommandManager.init();
+
         if (!INITIALIZED) {
             // Needs to be an anonymous inner class otherwise Bukkit complains about missing classes
             Bukkit.getPluginManager().registerEvents(new Listener() {
@@ -206,9 +209,6 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
                 }
             }, this);
 
-            this.geyserCommandManager = new GeyserSpigotCommandManager(geyser);
-            this.geyserCommandManager.init();
-
             // Because Bukkit locks its command map upon startup, we need to
             // add our plugin commands in onEnable, but populating the executor
             // can happen at any time