Why there is no error message if same allowance is added with overlapping dates for pending worker

Summary:

Why there is no error message if same allowance is added with overlapping dates for pending worker but only for Employee using ICP.User is expecting such error message for pending worker as well since he will assume that pending worker is created as there is no error message and he don't have transaction console access to validate it.

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Code Snippet (add any code snippets that support your topic, if applicable):

Employee, Error message after submission.

Pending Worker no error message after submission: