Feat/multivalue limit (#14961)

## Summary
1. This change introduces the ability to limit how many values a
multi-value field can contain (for example: maximum number of emails,
phone numbers, links, or array items).
2. It centralizes the limit as a shared constant and type, validates
settings on the server, updates front-end types and components to
consume the setting, and adds a small settings UI so workspace admins
can change the limit per field.
3. Default behavior is preserved: if no max is configured, the existing
default (10) is used.


## **Fixes Issue:** [#14740
](https://github.com/twentyhq/twenty/issues/14740)

## Manual Test Screenshot
<img width="383" height="451" alt="Screenshot 2025-10-08 002413"
src="https://github.com/user-attachments/assets/a7704af6-10ef-4d10-b8c9-a9eeca03bfd9"
/>


### Values in fields


https://github.com/user-attachments/assets/7f59c4f7-3aca-4f83-8c04-3d44988316e3


Let me know if any changes are needed

---------

Co-authored-by: Félix Malfait <felix@twenty.com>
Co-authored-by: Félix Malfait <felix.malfait@gmail.com>

packages/twenty-shared/src/constants/MultiItemFieldDefaultMaxValues.ts

@@ -0,0 +1,2 @@
+export const MULTI_ITEM_FIELD_DEFAULT_MAX_VALUES = 10;
+

packages/twenty-shared/src/constants/MultiItemFieldMinMaxValues.ts

@@ -0,0 +1,2 @@
+export const MULTI_ITEM_FIELD_MIN_MAX_VALUES = 1;
+

packages/twenty-shared/src/constants/index.ts

@@ -14,6 +14,8 @@ export { FIELD_FOR_TOTAL_COUNT_AGGREGATE_OPERATION } from './FieldForTotalCountA
 export { MAX_OPTIONS_TO_DISPLAY } from './FieldMetadataMaxOptionsToDisplay';
 export { FIELD_RESTRICTED_ADDITIONAL_PERMISSIONS_REQUIRED } from './FieldRestrictedAdditionalPermissionsRequired';
 export { LABEL_IDENTIFIER_FIELD_METADATA_TYPES } from './LabelIdentifierFieldMetadataTypes';
+export { MULTI_ITEM_FIELD_DEFAULT_MAX_VALUES } from './MultiItemFieldDefaultMaxValues';
+export { MULTI_ITEM_FIELD_MIN_MAX_VALUES } from './MultiItemFieldMinMaxValues';
 export { MUTATION_MAX_MERGE_RECORDS } from './MutationMaxMergeRecords';
 export { PermissionsOnAllObjectRecords } from './PermissionsOnAllObjectRecords';
 export { QUERY_DEFAULT_LIMIT_RECORDS } from './QueryDefaultLimitRecords';

packages/twenty-shared/src/types/FieldMetadataMultiItemSettings.ts

@@ -0,0 +1,3 @@
+export type FieldMetadataMultiItemSettings = {
+  maxNumberOfValues?: number;
+};

packages/twenty-shared/src/types/index.ts

@@ -16,6 +16,7 @@ export type { ConfigVariableValue } from './ConfigVariableValue';
 export { ConnectedAccountProvider } from './ConnectedAccountProvider';
 export type { EnumFieldMetadataType } from './EnumFieldMetadataType';
 export type { ExcludeFunctions } from './ExcludeFunctions';
+export type { FieldMetadataMultiItemSettings } from './FieldMetadataMultiItemSettings';
 export { FieldMetadataType } from './FieldMetadataType';
 export type { FieldRatingValue } from './FieldRatingValue';
 export type {