Refactor backend folder structure (#4505)

* Refactor backend folder structure

Co-authored-by: Charles Bochet <charles@twenty.com>

* fix tests

* fix

* move yoga hooks

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-server/src/engine/api/__mocks__/object-metadata-item.mock.ts

@@ -0,0 +1,44 @@
+import { FieldMetadataType } from 'src/engine-metadata/field-metadata/field-metadata.entity';
+import { ObjectMetadataEntity } from 'src/engine-metadata/object-metadata/object-metadata.entity';
+
+export const fieldNumberMock = {
+  name: 'fieldNumber',
+  type: FieldMetadataType.NUMBER,
+  isNullable: false,
+  defaultValue: null,
+  targetColumnMap: { value: 'fieldNumber' },
+};
+
+export const fieldStringMock = {
+  name: 'fieldString',
+  type: FieldMetadataType.TEXT,
+  isNullable: true,
+  defaultValue: null,
+  targetColumnMap: { value: 'fieldString' },
+};
+
+export const fieldLinkMock = {
+  name: 'fieldLink',
+  type: FieldMetadataType.LINK,
+  isNullable: false,
+  defaultValue: { label: '', url: '' },
+  targetColumnMap: { label: 'fieldLinkLabel', url: 'fieldLinkUrl' },
+};
+
+export const fieldCurrencyMock = {
+  name: 'fieldCurrency',
+  type: FieldMetadataType.CURRENCY,
+  isNullable: true,
+  defaultValue: null,
+  targetColumnMap: {
+    amountMicros: 'fieldCurrencyAmountMicros',
+    currencyCode: 'fieldCurrencyCurrencyCode',
+  },
+};
+
+export const objectMetadataItemMock: DeepPartial<ObjectMetadataEntity> = {
+  targetTableName: 'testingObject',
+  nameSingular: 'objectName',
+  namePlural: 'objectsName',
+  fields: [fieldNumberMock, fieldStringMock, fieldLinkMock, fieldCurrencyMock],
+};