fix: set display_id in desktop capturer on Linux (#33861)
fix: set display_id in desktop capturer on Linux (#33861)

Previously, display_id was an empty string, pending Chrome support for
sharing individual screens. Now that this has been added, it is
desirable to have this property set correctly.

Co-authored-by: John Kleinschmidt <58e920f43df1b19b57b661762f7747563e5f3062@electronjs.org>
gerhardberger/electron,electron/electron,gerhardberger/electron,electron/electron,gerhardberger/electron,electron/electron,gerhardberger/electron,gerhardberger/electron,electron/electron,gerhardberger/electron,electron/electron,gerhardberger/electron,electron/electron,electron/electron