Merge branch 'develop' into issue/#450

* develop:
  Fixes bug with _isSelected and deleting an item with enter
Initial styling
Updated general buttons styling
Updated theme changes
Updated the rest of the dashboard styling
Fixed issue with menu bug
Updated styling
Updated menu editing styling
Updated the page editing screen
Updated block and page styling
Updated menu styling
General fixes including fixes to delete button
Fixed delete button positioning
Updated paste areas
Fixed pasting components
Adjust title to display if no displayTitle
Updated component list styling
Updated global menu styling
Updated to include extra button colour styling
Updated project icon hovers