fix: multiple twenty orm issues & show an example of use (#5439)

This PR is fixing some issues and adding enhancement in TwentyORM:

- [x] Composite fields in nested relations are not formatted properly
- [x] Passing operators like `Any` in `where` condition is breaking the
query
- [x] Ability to auto load workspace-entities based on a regex path

I've also introduced an example of use for `CalendarEventService`:


https://github.com/twentyhq/twenty/pull/5439/files#diff-3a7dffc0dea57345d10e70c648e911f98fe237248bcea124dafa9c8deb1db748R15

packages/twenty-server/src/engine/twenty-orm/entity-manager/entity.manager.ts

@@ -9,7 +9,9 @@ export class WorkspaceEntityManager extends EntityManager {
     // find already created repository instance and return it if found
     const repoFromMap = this.repositories.get(target);
 
-    if (repoFromMap) return repoFromMap as WorkspaceRepository<Entity>;
+    if (repoFromMap) {
+      return repoFromMap as WorkspaceRepository<Entity>;
+    }
 
     const newRepository = new WorkspaceRepository<Entity>(
       target,