Fix cross app installation (#18151)

# Introduction
- Fixing app dependencyFlatEntityMaps load ( to load current app +
dependent app )
- Fix empty flat entity maps and undefined optimistic override
- Refactor the optimistic rendering to be mutation oriented at
orchestrator level

packages/twenty-server/src/engine/metadata-modules/flat-entity/utils/get-metadata-related-metadata-names-for-validation.util.ts

@@ -0,0 +1,16 @@
+import { type AllMetadataName } from 'twenty-shared/metadata';
+
+import {
+  ALL_METADATA_REQUIRED_METADATA_FOR_VALIDATION,
+  type MetadataRelatedMetadataNameForValidation,
+} from 'src/engine/metadata-modules/flat-entity/constant/all-metadata-required-metadata-for-validation.constant';
+
+export const getMetadataRelatedMetadataNamesForValidation = <
+  T extends AllMetadataName,
+>(
+  metadataName: T,
+) => {
+  return Object.keys(
+    ALL_METADATA_REQUIRED_METADATA_FOR_VALIDATION[metadataName],
+  ) as MetadataRelatedMetadataNameForValidation<T>[];
+};

packages/twenty-server/src/engine/metadata-modules/flat-entity/utils/get-metadata-serialized-relation-names.util.ts

@@ -1,11 +1,14 @@
 import { type AllMetadataName } from 'twenty-shared/metadata';
 
-import { ALL_METADATA_SERIALIZED_RELATION } from 'src/engine/metadata-modules/flat-entity/constant/all-metadata-serialized-relation.constant';
+import {
+  ALL_METADATA_SERIALIZED_RELATION,
+  type MetadataSerializedRelatedMetadataName,
+} from 'src/engine/metadata-modules/flat-entity/constant/all-metadata-serialized-relation.constant';
 
-export const getMetadataSerializedRelationNames = (
-  metadataName: AllMetadataName,
-): AllMetadataName[] => {
+export const getMetadataSerializedRelationNames = <T extends AllMetadataName>(
+  metadataName: T,
+) => {
   return Object.keys(
     ALL_METADATA_SERIALIZED_RELATION[metadataName],
-  ) as AllMetadataName[];
+  ) as MetadataSerializedRelatedMetadataName<T>[];
 };

packages/twenty-server/src/engine/metadata-modules/flat-entity/utils/get-sub-flat-entity-by-ids-maps-or-throw.util.ts

@@ -1,8 +1,8 @@
 import { createEmptyFlatEntityMaps } from 'src/engine/metadata-modules/flat-entity/constant/create-empty-flat-entity-maps.constant';
 import { type SyncableFlatEntity } from 'src/engine/metadata-modules/flat-entity/types/flat-entity-from.type';
 import { type FlatEntityMaps } from 'src/engine/metadata-modules/flat-entity/types/flat-entity-maps.type';
-import { addFlatEntityToFlatEntityMapsOrThrow } from 'src/engine/metadata-modules/flat-entity/utils/add-flat-entity-to-flat-entity-maps-or-throw.util';
 import { findFlatEntityByIdInFlatEntityMapsOrThrow } from 'src/engine/metadata-modules/flat-entity/utils/find-flat-entity-by-id-in-flat-entity-maps-or-throw.util';
+import { addFlatEntityToFlatEntityMapsThroughMutationOrThrow } from 'src/engine/workspace-manager/workspace-migration/utils/add-flat-entity-to-flat-entity-maps-through-mutation-or-throw.util';
 
 export const getSubFlatEntityByIdsMapsOrThrow = <T extends SyncableFlatEntity>({
   flatEntityIds,
@@ -11,15 +11,19 @@ export const getSubFlatEntityByIdsMapsOrThrow = <T extends SyncableFlatEntity>({
   flatEntityMaps: FlatEntityMaps<T>;
   flatEntityIds: string[];
 }): FlatEntityMaps<T> => {
-  return flatEntityIds.reduce<FlatEntityMaps<T>>((acc, flatEntityId) => {
+  const flatEntityMapsToMutate = createEmptyFlatEntityMaps();
+
+  flatEntityIds.forEach((flatEntityId) => {
     const flatEntity = findFlatEntityByIdInFlatEntityMapsOrThrow({
       flatEntityId,
       flatEntityMaps,
     });
 
-    return addFlatEntityToFlatEntityMapsOrThrow({
+    addFlatEntityToFlatEntityMapsThroughMutationOrThrow({
       flatEntity,
-      flatEntityMaps: acc,
+      flatEntityMapsToMutate,
     });
-  }, createEmptyFlatEntityMaps());
+  });
+
+  return flatEntityMapsToMutate;
 };