app/flatpak-quiet-transaction: Use "in favor of" phrasing
app/flatpak-quiet-transaction: Use "in favor of" phrasing

In commit 0772ab6c9 we changed "in preference of" to "in favor of" in an
informational message produced by FlatpakCliTransaction for clarity. Do
the same for FlatpakQuietTransaction.

matthiasclasen/flatpak,flatpak/flatpak,flatpak/flatpak,matthiasclasen/flatpak,flatpak/flatpak,matthiasclasen/flatpak,flatpak/flatpak,matthiasclasen/flatpak,flatpak/flatpak,matthiasclasen/flatpak