[Core] Fix sorting of `Dictionary` keys

`StringName` keys were sorted as `StringName` which is unstable.

1 files changed, 13 insertions, 0 deletions

diff --git a/core/variant/variant.h b/core/variant/variant.h
index c76b849abd..3b1924e8ea 100644
--- a/core/variant/variant.h
+++ b/core/variant/variant.h
@@ -854,6 +854,19 @@ struct StringLikeVariantComparator {
 	static bool compare(const Variant &p_lhs, const Variant &p_rhs);
 };
 
+struct StringLikeVariantOrder {
+	static _ALWAYS_INLINE_ bool compare(const Variant &p_lhs, const Variant &p_rhs) {
+		if (p_lhs.is_string() && p_rhs.is_string()) {
+			return p_lhs.operator String() < p_rhs.operator String();
+		}
+		return p_lhs < p_rhs;
+	}
+
+	_ALWAYS_INLINE_ bool operator()(const Variant &p_lhs, const Variant &p_rhs) const {
+		return compare(p_lhs, p_rhs);
+	}
+};
+
 Variant::ObjData &Variant::_get_obj() {
 	return *reinterpret_cast<ObjData *>(&_data._mem[0]);
 }