gum file allow typing path like native File Picker of Windows & macOS

[Cagliy]

Is your feature request related to a problem? Please describe.
The path is too long to nagivate to by the file tree

Describe the solution you'd like
Allow user to typing or pasted the full path

Describe alternatives you've considered
More previous steps to ask for path as input or then file picking

Additional context
For huh as well