fix(app): listing files

[neriousy]

What does this PR do?

Listing files when using "@filename" was not working. It was passing undefined to searchFiles

How did you verify your code works?

Open dekstop app, prompt @filename

I guess "duplicate" of #8164 and #8186 although I do not think their fixes are appropiate especailly those inline imports

Here's a really quick fix for listing files when using cmd + p or @filename in for prompt