Development resolve pub config

[0oM4R]

Description

enhance public config dialog

Changes

• make the public config updated after modify them
• resolve remove configs error
• disable remove config btn when no configuration

Related Issues

• https://github.com/threefoldtech/tfgrid_dashboard/issues/496

Checklist

• [ ] Tests included
• [x] Build pass
• [ ] Documentation
• [x] Code format and docstrings

[Mahmoud-Emad]

LGTM, but can you please disable the cancel button while loading?

[0oM4R]

LGTM, but can you please disable the cancel button while loading?

@Mahmoud-Emad @MohamedElmdary

done