Previously, when the connection to the device was lost while mirroring,
the window closed immediately, suggesting scrcpy had crashed.
To make it clear that a disconnection occurred, display a disconnected
icon for 2 seconds before closing the window.
PR #6662 <https://github.com/Genymobile/scrcpy/pull/6662>
Ensure that if a file or function is not found, the build does not
attempt to use system libraries. Falling back could result in using
libraries that are incompatible due to wrong versions or features.
PR #6671 <https://github.com/Genymobile/scrcpy/pull/6671>
