convertProjectTilesets issue

[it4history]

hello, I've found the fix for a converting issue:

--- a/src/ConvertProject/ConvertProject.js
+++ b/src/ConvertProject/ConvertProject.js
@@ -59,7 +59,7 @@ class ConvertProject {
// run and compressed string
const runArray = ConvertData.compressedStringToArray( currentLayer.data );
dataArray = ConvertProject.convertToTilesetArray(
-- ConvertData.compressedStringToArray( runArray ),
++ ConvertData.runToArray( runArray ),