feat: soft delete (#6576)

Implement soft delete on standards and custom objects.
This is a temporary solution, when we drop `pg_graphql` we should rely
on the `softDelete` functions of TypeORM.

---------

Co-authored-by: Félix Malfait <felix.malfait@gmail.com>
Co-authored-by: Lucas Bordeau <bordeau.lucas@gmail.com>

packages/twenty-server/src/engine/twenty-orm/factories/entity-schema-column.factory.ts

@@ -22,12 +22,18 @@ type EntitySchemaColumnMap = {
 export class EntitySchemaColumnFactory {
   create(
     fieldMetadataCollection: FieldMetadataEntity[],
+    softDelete: boolean,
   ): EntitySchemaColumnMap {
     let entitySchemaColumnMap: EntitySchemaColumnMap = {};
 
     for (const fieldMetadata of fieldMetadataCollection) {
       const key = fieldMetadata.name;
 
+      // Skip deletedAt column if soft delete is not enabled
+      if (!softDelete && key === 'deletedAt') {
+        continue;
+      }
+
       if (isRelationFieldMetadataType(fieldMetadata.type)) {
         const relationMetadata =
           fieldMetadata.fromRelationMetadata ??

packages/twenty-server/src/engine/twenty-orm/factories/entity-schema.factory.ts

@@ -21,6 +21,7 @@ export class EntitySchemaFactory {
   ): Promise<EntitySchema> {
     const columns = this.entitySchemaColumnFactory.create(
       objectMetadata.fields,
+      objectMetadata.isSoftDeletable ?? false,
     );
 
     const relations = await this.entitySchemaRelationFactory.create(