[Bug]: Crashes on uploading deleted images

[rahul0tripathi]

What happened?

apparently before sending a request containing a file, multipart form upload, if the file is deleted, and then request is made the client crashes

Steps to reproduce?

1. choose form body 
2. attach a file in an input field
3. make a request
4. delete the file 
5. make the request
6. crashes

What did you expect to happen?

client should check if the file exists before calling the requested action

Platform

None

HTTPie Desktop version

2024.1.2

Relevant log output

No response

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