feat: new relation sync-metadata, twenty-orm, create/update (#10217)

Fix
https://github.com/twentyhq/core-team-issues/issues/330#issue-2827026606
and
https://github.com/twentyhq/core-team-issues/issues/327#issue-2827001814

What this PR does when `isNewRelationEnabled` is set to `true`:
- [x] Drop the creation of the  foreign key as a `FieldMetadata`
- [x] Stop creating `RelationMetadata`
- [x] Properly fill `FieldMetadata` of type `RELATION` during the sync
command
- [x] Use new relation settings in TwentyORM
- [x] Properly create `FieldMetadata` relations when we create a new
object
- [x] Handle `database:reset` with new relations

---------

Co-authored-by: Charles Bochet <charles@twenty.com>
Co-authored-by: Charles Bochet <charlesBochet@users.noreply.github.com>

packages/twenty-server/src/engine/metadata-modules/utils/generate-object-metadata-maps.util.ts

@@ -1,8 +1,11 @@
+import { FieldMetadataType } from 'twenty-shared/types';
+
 import { ObjectMetadataInterface } from 'src/engine/metadata-modules/field-metadata/interfaces/object-metadata.interface';
 
 import { FieldMetadataMap } from 'src/engine/metadata-modules/types/field-metadata-map';
 import { ObjectMetadataItemWithFieldMaps } from 'src/engine/metadata-modules/types/object-metadata-item-with-field-maps';
 import { ObjectMetadataMaps } from 'src/engine/metadata-modules/types/object-metadata-maps';
+import { isFieldMetadataInterfaceOfType } from 'src/engine/utils/is-field-metadata-of-type.util';
 
 export const generateObjectMetadataMaps = (
   objectMetadataCollection: ObjectMetadataInterface[],
@@ -15,8 +18,21 @@ export const generateObjectMetadataMaps = (
   for (const objectMetadata of objectMetadataCollection) {
     const fieldsByIdMap: FieldMetadataMap = {};
     const fieldsByNameMap: FieldMetadataMap = {};
+    const fieldsByJoinColumnNameMap: FieldMetadataMap = {};
 
     for (const fieldMetadata of objectMetadata.fields) {
+      if (
+        isFieldMetadataInterfaceOfType(
+          fieldMetadata,
+          FieldMetadataType.RELATION,
+        )
+      ) {
+        if (fieldMetadata.settings?.joinColumnName) {
+          fieldsByJoinColumnNameMap[fieldMetadata.settings.joinColumnName] =
+            fieldMetadata;
+        }
+      }
+
       fieldsByNameMap[fieldMetadata.name] = fieldMetadata;
       fieldsByIdMap[fieldMetadata.id] = fieldMetadata;
     }
@@ -25,6 +41,7 @@ export const generateObjectMetadataMaps = (
       ...objectMetadata,
       fieldsById: fieldsByIdMap,
       fieldsByName: fieldsByNameMap,
+      fieldsByJoinColumnName: fieldsByJoinColumnNameMap,
     };
 
     objectMetadataMaps.byId[objectMetadata.id] = processedObjectMetadata;