Always prompt the user to overwrite a double-clicked file without having to click on the Save button first--irrespective of the single/double click mouse settings.
This only affects double click system setting mode.
Some history about this:
Selecting a file by clicking on it was removed in: 4ccd77256a0c
Selecting a file by double-clicking on it was added in: f729c291cdbb
Selecting a file by double-clicking was removed in: 7f08f13809bc because it was broken
BUG: 267749