Fix an issue where message would be sent even though the attachments are failed to upload

SignalUtilitiesKit/Messaging/Sending & Receiving/MessageSender+Convenience.swift

@@ -91,7 +91,9 @@ extension MessageSender {
         let errors = results.compactMap { result -> Swift.Error? in
             if case .rejected(let error) = result { return error } else { return nil }
         }
-        if let error = errors.first { seal.reject(error) }
+        if let error = errors.first {
+            seal.reject(error)
+        } else {
             Storage.write{ transaction in
                 sendNonDurably(message, in: thread, using: transaction).done {
                     seal.fulfill(())
@@ -99,6 +101,7 @@ extension MessageSender {
                     seal.reject(error)
                 }
             }
+        }
         return promise
     }
 }