fix: Some items not being saved in /firm stoarge

src/main/java/moe/nea/firmament/mixins/TolerateFirmamentTolerateRegistryOwners.java

@@ -0,0 +1,18 @@
+package moe.nea.firmament.mixins;
+
+import moe.nea.firmament.util.mc.TolerantRegistriesOps;
+import net.minecraft.registry.entry.RegistryEntryOwner;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(RegistryEntryOwner.class)
+public interface TolerateFirmamentTolerateRegistryOwners<T> {
+	@Inject(method = "ownerEquals", at = @At("HEAD"), cancellable = true)
+	private void equalTolerantRegistryOwners(RegistryEntryOwner<T> other, CallbackInfoReturnable<Boolean> cir) {
+		if (other instanceof TolerantRegistriesOps.TolerantOwner<?>) {
+			cir.setReturnValue(true);
+		}
+	}
+}