safer string reader test

common/src/main/java/net/lerariemann/infinity/util/core/CommonIO.java

···
         try {
             if (file.exists()) {
                 content = FileUtils.readFileToString(file, StandardCharsets.UTF_8);
-                NbtCompound c = StringNbtReader.parse(content);
+                NbtCompound c = SaferStringReader.parse(content);
                 c.remove("infinity_version");
                 return c;
             }

common/src/main/java/net/lerariemann/infinity/util/core/SaferStringReader.java

···
+package net.lerariemann.infinity.util.core;
+
+import com.mojang.brigadier.StringReader;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import net.minecraft.nbt.NbtCompound;
+import net.minecraft.nbt.StringNbtReader;
+
+public class SaferStringReader extends StringReader {
+    public SaferStringReader(String string) {
+        super(string);
+    }
+
+    public static NbtCompound parse(String string) throws CommandSyntaxException {
+        SaferStringReader readerInner = new SaferStringReader(string);
+        StringNbtReader reader = new StringNbtReader(readerInner);
+
+        NbtCompound nbtCompound = reader.parseCompound();
+        readerInner.skipWhitespace();
+        if (readerInner.canRead()) {
+            throw StringNbtReader.TRAILING.createWithContext(readerInner);
+        } else {
+            return nbtCompound;
+        }
+    }
+
+    @Override
+    public String readStringUntil(char terminator) throws CommandSyntaxException {
+        StringBuilder result = new StringBuilder();
+
+        while(this.canRead()) {
+            char c = this.read();
+            if (c == terminator) {
+                return result.toString();
+            }
+
+            result.append(c);
+        }
+
+        throw CommandSyntaxException.BUILT_IN_EXCEPTIONS.readerExpectedEndOfQuote().createWithContext(this);
+    }
+}

common/src/main/resources/config/easter/classic.json

···
 {
-  "infinity_version": 2004002,
+  "infinity_version": 2004005,
   "aliases": "origin",
   "options": {
     "portal_color": 65535,
···
       "surface_rule": {
         "type": "minecraft:sequence",
         "sequence": [
+          {
+            "type": "minecraft:condition",
+            "if_true": {
+              "type": "minecraft:not",
+              "invert": {
+                "type": "y_above",
+                "anchor": {
+                  "absolute": 1
+                },
+                "surface_depth_multiplier": 0,
+                "add_stone_depth": false
+              }
+            },
+            "then_run": {
+              "type": "minecraft:block",
+              "result_state": {
+                "Name": "minecraft:lava"
+              }
+            }
+          },
           {
             "type": "minecraft:condition",
             "if_true": {