If we can't find something to convert, return the original.

plugin/src/main/java/me/libraryaddict/disguise/utilities/reflection/ReflectionManager.java

@@ -1352,6 +1352,8 @@ public class ReflectionManager {
                 return NmsVersion.v1_13.isSupported() ? Optional.of(obj) : com.google.common.base.Optional.of(obj);
             } else if (!NmsVersion.v1_13.isSupported()) {
                 return com.google.common.base.Optional.of(val);
+            } else {
+                return Optional.of(val);
             }
         } else if (value instanceof Vector3F) {
             Vector3F angle = (Vector3F) value;

v1_17_R1/src/main/java/me/libraryaddict/disguise/utilities/reflection/v1_17/ReflectionManager.java

@@ -315,7 +315,7 @@ public class ReflectionManager implements ReflectionManagerAbstract {
             return Optional.of(obj);
         }
 
-        return Optional.empty();
+        return Optional.of(val);
     }
 
     public Vector3f convertVec3(Object object) {

v1_18_R1/src/main/java/me/libraryaddict/disguise/utilities/reflection/v1_18/ReflectionManager.java

@@ -315,7 +315,7 @@ public class ReflectionManager implements ReflectionManagerAbstract {
             return Optional.of(obj);
         }
 
-        return Optional.empty();
+        return Optional.of(val);
     }
 
     public Vector3f convertVec3(Object object) {