Fix 2 plugin specific issues with loot drop and pathfinders

Based on what that collection does, won't really cause any real issue for UC.
So let it silently be ignored.

Fixes #3269
Fixes #3255

Spigot-Server-Patches/Hook-into-CB-plugin-rewrites.patch

@@ -7,8 +7,21 @@ Allows us to do fun stuff like rewrite the OBC util fastutil location to
 our own relocation. Also lets us rewrite NMS calls for when we're
 debugging in an IDE pre-relocate.
 
+diff --git a/pom.xml b/pom.xml
+index fd417a9eeb..bc8438ae1a 100644
+--- a/pom.xml
++++ b/pom.xml
+@@ -0,0 +0,0 @@
+         <dependency>
+             <groupId>org.ow2.asm</groupId>
+             <artifactId>asm</artifactId>
+-            <version>7.3.1</version>
++            <version>8.0.1</version> <!-- Paper -->
+             <scope>compile</scope>
+         </dependency>
+         <!-- deprecated API depend -->
 diff --git a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
-index 9b4a0f0678..2c6814f131 100644
+index 9b4a0f0678..4ae41fd255 100644
 --- a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
 +++ b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
 @@ -0,0 +0,0 @@ import java.io.FileOutputStream;
@@ -81,8 +94,11 @@ index 9b4a0f0678..2c6814f131 100644
      {
          OptionParser parser = new OptionParser();
 @@ -0,0 +0,0 @@ public class Commodore
+         ClassReader cr = new ClassReader( b );
+         ClassWriter cw = new ClassWriter( cr, 0 );
  
-         cr.accept( new ClassVisitor( Opcodes.ASM7, cw )
+-        cr.accept( new ClassVisitor( Opcodes.ASM7, cw )
++        cr.accept( new ClassVisitor( Opcodes.ASM8, cw) // Paper
          {
 +            // Paper start - Rewrite plugins
 +            @Override