Double-clicking this item should trigger pasting the copied files to the current directory.

**Is your feature request related to a problem? Please describe.**

**Describe the solution you'd like**
Double-clicking this item should trigger pasting the copied files to the current directory.

**Describe alternatives you've considered**

**Additional context**

No files or tests are named. Find the UI handling for double-clicks on copied-file items and the existing action that pastes files into the current directory, then trace how the current directory is determined. Done means double-clicking such an item pastes the copied files there without changing other item interactions.

Written by the indexing model from the issue text.