Panoramax: Allow to recover from network error

[tordans]

I tried uploading images with less ideal internet connection quality and got a timeout message.

It would be great if…

• there where a retry option
• and/or an option to store the image for later instead
• and/or an option to always save the image I take via this menu in my local gallery, so I can upload or map from it it later

[tordans]

FYI, I just see this list of "unfinished uploads" in the panoramax UI https://panoramax.openstreetmap.fr/your-pictures . I assume those are the times when I canceled the updload in GoMap or it failed.