Release v4.26.1

Changed

• The SchemaEditor tree layout now shows each property type as a colored chip, matching how types look on the event model board, and names a concept in a highlighted chip. The type menu uses the same chips, a deeper shadow and roomier items, and rows pick up a primary-colored border on hover.
• The chip colors are --cratis-schema-editor-type-* and --cratis-schema-editor-concept-* custom properties, so an application can retheme them.