S2: open in Bambu Studio

Page origin:

Pick file: house__B-bambu.3mfhouse__A-colorgroup.3mfhouse__C-template.3mf

Record per click (see PROTOCOL.md)

1. Did the browser ask to open Bambu Studio?
2. Did Studio ask "not from a trusted site"?
3. Did the model open (colours? centred?)
4. With OrcaSlicer installed: which app opened?