Add support for custom aspect ratio changes

On the Mac, there is no UI to enter custom aspect ratios for distortion and cropping. We should change that. It's trivial.

added Component::Interface: macOS Difficulty::easy Platform::macOS Severity::normal Type::feature Version::master git labels

changed milestone to %Features paradize

assigned to @fkuehne and unassigned @MigrationBot

changed milestone to %4.0

Done

commit 89e4a7ad73a556533ec7745f7bffd24d7ca25669
Author: Felix Paul Kühne <felix@feepk.net>
Date:   Wed Aug 28 17:05:18 2019 +0200

    macosx/main menu: allow custom crop and aspect ratio changes

    Closes [#19838](https://code.videolan.org/videolan/vlc/-/issues/19838)

added Status::fixed label

closed