fix: revert required portal version for file chooser dialogs (#44681)

* feat: add support for configuring xdg portal version at runtime

Co-authored-by: deepak1556 <hop2deep@gmail.com>

* doc: update command-line-switches.md

Co-authored-by: deepak1556 <hop2deep@gmail.com>

* doc: update command-line-switches.md

Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>

Co-authored-by: Robo <hop2deep@gmail.com>

* doc: required portal version for defaultPath support

Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>

Co-authored-by: Robo <hop2deep@gmail.com>

* doc: update more occurrances

Co-authored-by: deepak1556 <hop2deep@gmail.com>

* fix: remove warning from save dialogs

Co-authored-by: deepak1556 <hop2deep@gmail.com>

* doc: update command-line-switches.md

Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>

Co-authored-by: Robo <hop2deep@gmail.com>

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Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: deepak1556 <hop2deep@gmail.com>