Update deps and switch to master sdk

Cargo.toml

@@ -59,8 +59,7 @@ package = "libadwaita"
 version = "0.1.0"
 
 [dependencies.matrix-sdk]
-git = "https://github.com/jsparber/matrix-rust-sdk.git"
-branch = "enable_ruma_unstable_pre_spec"
+git = "https://github.com/matrix-org/matrix-rust-sdk.git"
 features = [
     "socks",
     "encryption",

src/contrib/qr_code_scanner/camera.rs

@@ -54,7 +54,7 @@ impl Camera {
         let proxy = camera::CameraProxy::new(&self.connection().await?).await?;
         proxy.access_camera().await?;
         let stream_fd = proxy.open_pipe_wire_remote().await?;
-        let node_id = camera::pipewire_node_id(stream_fd).await.ok();
+        let node_id = camera::pipewire_node_id(stream_fd).await.ok().flatten();
 
         Ok((stream_fd, node_id))
     }