Enhance people

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

packages/helpers/src/date.ts

@@ -0,0 +1,4 @@
+export function formatDatetime(dateString?: string | null): string | undefined {
+  if (!dateString) return undefined;
+  return `${dateString}T00:00:00Z`;
+}

packages/helpers/src/index.ts

@@ -18,3 +18,4 @@ export { getAssetTypeVariant, getCriticityVariant } from "./assets";
 export { getAuditStateLabel, getAuditStateVariant, auditStates } from "./audits";
 export { promisifyMutation } from "./relay";
 export { fileType, fileSize } from "./file";
+export { formatDatetime } from "./date";