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/interfaces/twenty-orm-options.interface.ts

@@ -3,7 +3,7 @@ import { FactoryProvider, ModuleMetadata, Type } from '@nestjs/common';
 import { BaseWorkspaceEntity } from 'src/engine/twenty-orm/base.workspace-entity';
 
 export interface TwentyORMOptions {
-  workspaceEntities: Type<BaseWorkspaceEntity>[];
+  workspaceEntities: (Type<BaseWorkspaceEntity> | string)[];
 }
 
 export type TwentyORMModuleAsyncOptions = {