fix DelegatedBiome hashCode & equals

common/addons/biome-provider-pipeline/src/main/java/com/dfsek/terra/addons/biome/pipeline/api/delegate/DelegatedBiome.java

@@ -17,6 +17,17 @@ final class DelegatedBiome implements BiomeDelegate {
         return biome;
     }
     
+    @Override
+    public int hashCode() {
+        return biome.hashCode();
+    }
+    
+    @Override
+    public boolean equals(Object obj) {
+        if(!(obj instanceof DelegatedBiome that)) return false;
+        return that.biome.equals(this.biome);
+    }
+    
     @Override
     public Set<String> getTags() {
         return biome.getTags();