[TxMt] TextMate not refreshing file list in Go to File UI when file is renamed

[Ernesto Mendez]

** Steps to Reproduce: **

1. Open a directory/project with one or more files
2. Rename any file from inside TextMate
3. Click on "Go > Go to File" or press CMD-T
4. Search for the old filename
5. Search for the new filename

** Expected Result: **

The old filename should not appear in the "Go to File" box, when searched.

The new filename should appear in the "Go to File" box, when searched.

** Actual Result: **

The old filename appears in the "Go to File" box, when searched.

The new filename does not appear in the "Go to File", when searched.

** Environment: **

- OSX 10.11.12 (El Capitán)
- TextMate 2.0-beta.8.5
- Code working in: PHP (tested with php files)