UI-Button: Fix eslint warning

[arturv2000]

Description

On PR #1087 when was added the possibility of the ui-button label to use html a warning start appearing when running eslint.

This add the eslint rule to disable eslint for that line for this specific warning.

Related Issue(s)

Checklist

• I have read the contribution guidelines
• Suitable unit/system level tests have been added and they pass
• Documentation has been updated
  • Upgrade instructions
  • Configuration details
  • Concepts
• Changes flowforge.yml?
  • Issue/PR raised on FlowFuse/helm to update ConfigMap Template
  • Issue/PR raised on FlowFuse/CloudProject to update values for Staging/Production

Labels

• Includes a DB migration? -> add the area:migration label

[gayanSandamal]

This warning ('v-html' directive can lead to XSS attack) is valid, but approving the fix as the v-html rendering is currently needed by the community.

LGTM