ST6RI-682 Fixed URI calculation in ProjectDelta

Author: TheKorpos

org.omg.sysml/src/org/omg/sysml/util/repository/ProjectDelta.java

@@ -53,7 +53,7 @@ public void save(ResourceSet resourceSet, URI baseUri) throws IOException {
 		for (var root : projectRoots.keySet()) {
 			var dto = projectRoots.get(root);
 			Object object = dto.get("@id");
-			URI fileURI = baseUri.appendFragment(object.toString()).appendFileExtension(EXTENSION);
+			URI fileURI = baseUri.appendSegment(object.toString()).appendFileExtension(EXTENSION);
 			Resource resource = resourceSet.createResource(fileURI);
 			resource.getContents().add(root);
 			ElementUtil.transformAll(resource, false);