Description: Ensures that users cannot input or submit their phone numbers multiple times to prevent duplicate submissions.
Setup: The useWhatsAppOTPMutation hook is simulated to mimic the submission process.
Expectation: Upon clicking the submit button, users should notice that both the input field and submit button are disabled temporarily to prevent multiple submissions.
Assertion 1: Verifies that the phone number input field is disabled (data-disabled attribute set to 'true') during the submission process.
Assertion 2: Confirms that the submit button is disabled (data-disabled attribute set to 'true') to prevent additional clicks while the submission is in progress.