fix(ui): fix broken width interpolation in KVM compose form

[Caleb-Ellis]

Done

• Fixed some broken width interpolation in KVM compose form. Turns out nesting #{}s doesn't work out too well.

QA

MAAS deployment

To run this branch you will need access to one of the following MAAS deployments:

• Karura
• Bolla
• A development MAAS
• A local snap MAAS (this will not usually have machines)

Running the branch

You can run this branch by:

• Serving with dotrun
• Building in a development MAAS

QA steps

• Go to the details page of a KVM that has available subnets (e.g. bolla)
• Open the Compose form from the action menu
• Define an interface
• Click the Subnet dropdown and check that the widths line up with the table columns
• Check there are no errors in the console

Fixes

Fixes #2067

[squidsoup]

Nice!