[DataConverter] Fix generator options parsing

patches/server/0768-Rewrite-dataconverter-system.patch

@@ -10527,7 +10527,7 @@ index 0000000000000000000000000000000000000000..7db79b279a047ec5907a3fb2c6e1a75b
 +}
 diff --git a/src/main/java/ca/spottedleaf/dataconverter/minecraft/versions/V1506.java b/src/main/java/ca/spottedleaf/dataconverter/minecraft/versions/V1506.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..d67a44b7154825efd3e3fd50e0e708ef839866f7
+index 0000000000000000000000000000000000000000..ef679762aec326e5e1310390bca46971b548e7cd
 --- /dev/null
 +++ b/src/main/java/ca/spottedleaf/dataconverter/minecraft/versions/V1506.java
 @@ -0,0 +1,219 @@
@@ -10652,7 +10652,7 @@ index 0000000000000000000000000000000000000000..d67a44b7154825efd3e3fd50e0e708ef
 +                if ("flat".equalsIgnoreCase(generatorName)) {
 +                    data.setMap("generatorOptions", V1506.convert(generatorOptions == null ? "" : generatorOptions));
 +                } else if ("buffet".equalsIgnoreCase(generatorName) && generatorOptions != null) {
-+                    data.setMap("generatorOptions", JsonTypeUtil.convertJsonToNBT(new JsonMapType(GsonHelper.parse(generatorName, true), false)));
++                    data.setMap("generatorOptions", JsonTypeUtil.convertJsonToNBT(new JsonMapType(GsonHelper.parse(generatorOptions, true), false)));
 +                }
 +                return null;
 +            }