Re-naming nested files in WebIDE produces new file while leaving the old one in the tree
Summary
Identified while testing https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/29948 on staging
Steps to reproduce
Re-name a file within a folder.
What is the current bug behavior?
The entry with the old name is still available in the tree, while new entry with the new name is created
What is the expected correct behavior?
No old entry should be available in the tree.