fix: getProvidingClass usages in more places

Author: broccolai

paper/src/main/java/org/incendo/interfaces/paper/PaperInterfaceListeners.java

@@ -5,6 +5,7 @@
 import com.google.common.cache.CacheBuilder;
 
 import java.lang.reflect.Method;
+import java.util.Objects;
 import java.util.UUID;
 
 import java.util.concurrent.ConcurrentHashMap;
@@ -260,8 +261,13 @@ public void onInventoryClose(final @NonNull InventoryCloseEvent event) {
                 }
             }
             if (playerInventoryView != null && VALID_REASON.contains(reason)) {
+                Plugin plugin = Objects.requireNonNullElseGet(
+                        PaperInterfaceListeners.plugin(),
+                        () -> JavaPlugin.getProvidingPlugin(this.getClass())
+                );
+
                 Bukkit.getScheduler().runTaskAsynchronously(
-                        JavaPlugin.getProvidingPlugin(this.getClass()),
+                        plugin,
                         playerInventoryView::open
                 );
             }

paper/src/main/java/org/incendo/interfaces/paper/PlayerViewerImpl.java

@@ -2,6 +2,7 @@
 
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.incendo.interfaces.core.view.InterfaceView;
@@ -11,6 +12,8 @@
 import org.incendo.interfaces.paper.view.CombinedView;
 import org.incendo.interfaces.paper.view.PlayerInventoryView;
 
+import java.util.Objects;
+
 final class PlayerViewerImpl implements PlayerViewer {
 
     private final @NonNull Player player;
@@ -64,7 +67,12 @@ public void open(final @NonNull InterfaceView<?, ?> view) {
             runnable.run();
         } else {
             try {
-                Bukkit.getScheduler().callSyncMethod(JavaPlugin.getProvidingPlugin(this.getClass()), () -> {
+                Plugin plugin = Objects.requireNonNullElseGet(
+                        PaperInterfaceListeners.plugin(),
+                        () -> JavaPlugin.getProvidingPlugin(this.getClass())
+                );
+
+                Bukkit.getScheduler().callSyncMethod(plugin, () -> {
                     runnable.run();
 
                     return null;