No loading indication when saving a transform

[TheWorldEndsWithUs]

Platform
How were you accessing the qri frontend?
[ ] app.qri.io
[ ] electron app
[ x] dev webapp

Version
What version of the Qri frontend are you using?
0.8.2
Describe the bug
When I submitted my transform script to the backend to be created there is no loading indication. Smaller datasets it's harder to notice because the process is almost instant. With bigger datasets, it becomes less obvious that the button was already clicked.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'edit dataset'
2. Click on 'save' with a large dataset

Expected behavior
A loading icon to show that I didn't miss click the save button.

Screenshots
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Additional context
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