Added Artefact Editor

[JunHammy]

What was done in this PR

1. Metadata Enhancements

• Additional Information (addInfo):
  • Added addInfo field to metadataDisplay.
  • Used within catalogueItemView to render supplementary metadata details for artefacts.

2. UI Improvements

• Toaster Notifications:
  • Updated UI styling for better visual clarity and user feedback.

3. Artefact Editor Page

A new ArtefactEditor page was implemented, featuring:

a. EditorCard Display Logic

• Dynamically renders content depending on artefact type:
  • MM (Meeting Minutes):
    • Includes metadataToggle (segment group for transcription toggling).
    • Displays relevant metadata based on the selected transcription type.
  • HF (Human Figures):
    • Displays addInfo metadata.
    • Shows associated figures via figureDisplay.

b. Edit Mode & Action Bar

• Edit Mode Activation:
  • Accessed via an Edit button on editorCard.
  • To exit editor mode, hit on the button again and all changes will be reverted.
  • Swaps metadata display fields into editable text areas.
• Change Detection:
  • Automatically detects unsaved changes.
  • Displays artefactEditorActionBar to allow:
    • Reset: Discard edits and revert to original data.
    • Save: Persist changes to the backend.

4. Figure Display Enhancements

• figureDisplay Component:
  • Renders headshot images based on figureIds.
  • Edit Mode Interaction:
    • Allows users to remove specific figures from an artefact by clicking on them.

[Prakhar896]

LGTM