• VSCode Version: 1.47.0-insider
• OS Version: macOS 10.15.5

Steps to reproduce

1. make a new folder 'foo'
2. make a new file 'bar.ts' in 'foo' with contents 'const quz = 3;'
3. open the folder 'foo' in VSCode
4. bring up the quick finder
5. type 'bar@'
6. note that the symbol finder for 'bar.ts' has been brought up, with one entry 'quz'
7. type 'foo'
8. note that no results are found
9. delete 'foo'

Expected results

the symbol finder list goes back to showing all the symbols for the file

Actual results

the symbol finder continues saying no results are found

video: https://www.dropbox.com/s/trc3k6oirc88mn3/bug.mov?dl=0

Does this issue occur when all extensions are disabled?: Yes