feat(Export): add push to registry. Do some cleanup.

[lucbpz]

What does this PR do?

• Updates the Export dialog to include the push to registry option.
• Cleanup actions - remove unused.

Updated dialog	Cleanup actions

[github-actions]

Docker image tag(s) pushed:

felipecruz/vackup-docker-extension:pr-39

Labels added to images:

org.opencontainers.image.title=vackup-docker-extension
org.opencontainers.image.description=Docker Extension to backup and restore docker volumes.
org.opencontainers.image.url=https://github.com/docker/vackup-docker-extension
org.opencontainers.image.source=https://github.com/docker/vackup-docker-extension
org.opencontainers.image.version=pr-39
org.opencontainers.image.created=2022-08-12T11:02:40.581Z
org.opencontainers.image.revision=81d7878a923fe992007bb3516e256a5530e2b955
org.opencontainers.image.licenses=MIT

[felipecruz91]

The same icon (arrow down) is being used for opposite actions

[felipecruz91]

Can we keep the description of every radio button option always displayed even if the option is not checked? And make them appear in bold 😄

[lucbpz]

@felipecruz91 Changed also some styles in other dialogs, and to be consistent now that our designs are consistent I changed both Import and Export dialog to display the description of each radio button always.

export dialog	import dialog	clone dialog	delete dialog

[felipecruz91]

LGTM!