feat: created by email calendar (#6536)

This PR is a followup of #6324 to add support of EMAIL and CALENDAR
source for the created by composite field.

packages/twenty-server/src/utils/compute-display-name.ts

@@ -0,0 +1,12 @@
+import { FullNameMetadata } from 'src/engine/metadata-modules/field-metadata/composite-types/full-name.composite-type';
+import { isDefined } from 'src/utils/is-defined';
+
+export const computeDisplayName = (
+  name: FullNameMetadata | null | undefined,
+) => {
+  if (!name) {
+    return '';
+  }
+
+  return Object.values(name).filter(isDefined).join(' ');
+};