Fix error when checking data not of type String

src/classes/validationschema.gd

@@ -71,7 +71,7 @@ func _evaluate_recursive(random: String, parent_dict: Dictionary, path: String =
 	var failed: Array[String] = []
 	for key in parent_dict:
 		# Check if key exists in data
-		if data.get(key, random) == random:
+		if str(data.get(key, random)) == random:
 			# Does not exist, append error
 			failed.append(core.stringify_variables("Key %key% is present in schema but missing in data", { "key": path + "/" + key }))
 		else: