N°3190 - Edit n:n LinkedSetIndirect in object details using a tagset-like widget

- Add generic set block ui component
- Add model link set (direct and indirect) attribute (display style)
- Add model link set direct allowed values
- Create link set viewer block UI (BlockLinksSetDisplayAsProperty)
- Add set block ui factory for linkset
- Add object factory and create new endpoint in object controller (with data binder)
- Add link set model, link set repository and link set data transformer services

lib/composer/ClassLoader.php

@@ -149,7 +149,7 @@ class ClassLoader
 
     /**
      * @return string[] Array of classname => path
-     * @psalm-return array<string, string>
+     * @psalm-var array<string, string>
      */
     public function getClassMap()
     {