Pear Desktop

See [changelog](https://github.com/pear-devs/pear-desktop/blob/master/changelog.md#v3120) for the list of updates and the full diff.

Thanks to all contributors! 🏅

#### (Note for Windows: `...-Desktop-Web-Setup-3.12.0.exe` is an installer, and `...-Desktop-3.12.0.exe` is a portable version)
#### (Note for macOS: see https://github.com/pear-devs/pear-desktop#macos)

## What's Changed
* Add automated build workflow for pull requests from repository members by @ArjixWasTaken with @Copilot in https://github.com/pear-devs/pear-desktop/pull/3981
* Fix workflow skipping build jobs due to incorrect output reference by @ArjixWasTaken with @Copilot in https://github.com/pear-devs/pear-desktop/pull/3982
* Fix `isEnabled` for platform-dependent plugins by @dima-dencep in https://github.com/pear-devs/pear-desktop/pull/3883
* fix(downloader): set player id to 0004e42 by @ArjixWasTaken in https://github.com/pear-devs/pear-desktop/pull/3973
* Add Material UI 3 component library by @ArjixWasTaken in https://github.com/pear-devs/pear-desktop/pull/3606
* Fix GPU performance issue on macOS 26 by updating Electron version by @BigicecreamTaken in https://github.com/pear-devs/pear-desktop/p