fix upload button

crates/chat_ui/src/lib.rs

@@ -3,7 +3,7 @@ use std::path::PathBuf;
 use std::sync::{Arc, LazyLock, RwLock};
 
 pub use actions::*;
-use anyhow::{Context as AnyhowContext, Error};
+use anyhow::Error;
 use chat::{ChatRegistry, Message, Room, RoomEvent, SendReport, SendStatus};
 use common::{TimestampExt, coop_cache};
 use futures::lock::Mutex;
@@ -709,13 +709,15 @@ impl ChatPanel {
         });
 
         self.tasks.push(cx.spawn_in(window, async move |this, cx| {
+            // Selecting no file means the prompt was cancelled
+            let Some(path) = path.await??.and_then(|mut paths| paths.pop()) else {
+                return Ok(());
+            };
+
             this.update(cx, |this, cx| {
                 this.set_uploading(true, cx);
             })?;
 
-            let mut paths = path.await??.context("Not found")?;
-            let path = paths.pop().context("No path")?;
-
             // Upload the file, encrypted when it is the whole message
             let result = if encrypted {
                 upload_encrypted(server, path.clone(), cx)