Crash on quit
Fractal sometimes crashes when I close it. Here is the stacktrace:
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "SendError(..)"', src/libcore/result.rs:1165:5
stack backtrace:
0: 0x557ec17948d4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h69e71c4903876dc6
1: 0x557ec17ab40d - core::fmt::write::h582be25c5baf2310
2: 0x557ec1792445 - std::io::Write::write_fmt::hbc64001eed60a334
3: 0x557ec177f47f - std::panicking::default_hook::{{closure}}::h9ab501f38e4dbe01
4: 0x557ec177f193 - std::panicking::default_hook::h5ebeac0b86abd1ff
5: 0x557ec177fb7e - std::panicking::rust_panic_with_hook::h6cc4c6a6b650292e
6: 0x557ec177f71e - std::panicking::continue_panic_fmt::ha08d493160cba893
7: 0x557ec177f606 - rust_begin_unwind
8: 0x557ec17afc0e - core::panicking::panic_fmt::ha777b9cb2009e091
9: 0x557ec17aa867 - core::result::unwrap_failed::h41e01f4186d860a3
10: 0x557ec0809d0d - core::result::Result<T,E>::unwrap::h2237cf963ac7a9fc
at /buildstream/freedesktop-sdk/extensions/rust/rust.bst/src/libcore/result.rs:933
11: 0x557ec07eee2d - fractal_gtk::appop::sync::<impl fractal_gtk::appop::AppOp>::sync::hacf0d5517045bd07
at fractal-gtk/src/appop/sync.rs:24
Tested in 72dd8902.