335 workflow implement workflow cron triggers backend (#9988)

[Backend side] Add cron triggers to workflow
Closes https://github.com/twentyhq/core-team-issues/issues/335

packages/twenty-shared/src/utils/__tests__/isDefined.test.ts

@@ -1,14 +0,0 @@
-import { isDefined } from '../isDefined';
-describe('isDefined', () => {
-  it('returns true if value is not undefined nor null', () => {
-    expect(isDefined('')).toBe(true);
-  });
-
-  it('returns false if value is null', () => {
-    expect(isDefined(null)).toBe(false);
-  });
-
-  it('returns false if value is undefined', () => {
-    expect(isDefined(undefined)).toBe(false);
-  });
-});