Add EntityRewriterBase#getDisplayVisibilityMetaValue (#725)

common/src/main/java/com/viaversion/viabackwards/api/rewriters/EntityRewriterBase.java

@@ -105,10 +105,14 @@ public abstract class EntityRewriterBase<C extends ClientboundPacketType, T exte
     private void addDisplayVisibilityMeta(List<Metadata> metadataList) {
         if (alwaysShowOriginalMobName()) {
             removeMeta(displayVisibilityIndex, metadataList);
-            metadataList.add(new Metadata(displayVisibilityIndex, displayVisibilityMetaType, true));
+            metadataList.add(new Metadata(displayVisibilityIndex, displayVisibilityMetaType, getDisplayVisibilityMetaValue()));
         }
     }
 
+    protected Object getDisplayVisibilityMetaValue() {
+        return true;
+    }
+
     protected boolean alwaysShowOriginalMobName() {
         return ViaBackwards.getConfig().alwaysShowOriginalMobName();
     }