Frontend: Build attribute editing drawer

Add the drawer that's used to create and edit attributes for a root group to the Category attribute configuration screen:

design: #547963[Security_configuration_-_group-level_-_security_labels_-_category_details_-_edit_label.png] 🎨

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• add a label creating/editing drawer component with a form inside of it
  • add name and description text fields
  • add color picker field
  • add Save changes, Cancel, and Delete buttons
• add a Create label button that opens the drawer with a blank form

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• add a more actions (⋮) dropdown next to each label
• add an Edit action to the ⋮ that opens the drawer with the form filled out with that label's properties