Merge a dialog's in-room selection with the file's preserved
out-of-room shares. The returned list is what should be sent to
the replace-semantics shareFile API for this file. Duplicates are
removed (in-room IDs may be in raw form, e.g. an unredacted email,
while out-of-room are normalized).
Merge a dialog's in-room selection with the file's preserved out-of-room shares. The returned list is what should be sent to the replace-semantics shareFile API for this file. Duplicates are removed (in-room IDs may be in raw form, e.g. an unredacted email, while out-of-room are normalized).