Make cancel buttons

[bthomas46]

Is your feature request related to a problem? Please describe.

Make Cancel buttons like when you are downloading a large model you didnt mean to get. Allow us to cancel that.
Also add approximate sizes of the models.
Describe the solution you'd like

Make Cancel buttons like when you are downloading a large model you didnt mean to get. Allow us to cancel that.
Also add approximate sizes of the models.
Describe alternatives you've considered

Additional context