Add Confirmation of Removal to Node Credentials

[vjeffrey]

User Story

original issue: https://chefio.atlassian.net/secure/RapidBoard.jspa?rapidView=261&modal=detail&selectedIssue=UI-164

Overview

Currently, there is no confirmation modal when removing a node credential; this story adds one.

Design Details

Zeplin

• Leverage the delete confirmation on the other settings pages (Users, Tokens, etc)
• Heading: Remove Node Credential?
• Message: Removing node credential: <credential name> cannot be undone.
• Primary destructive button: Remove Credential
• Tertiary button: Cancel
• Close button: close icon

==> Search for in the code base and you will find 6 examples (at last count) of how this reusable component may be used for this task.

Accessibility Details

Heading should use an h2

Tab Order

1. close button
2. Remove Credential button
3. Cancel button
4. go to 1.