Allow Sendconfirmation api to override pay later receipt text

[jitendrapurohit]

Overview

An extension of fix done in #18789 to allow pay later receipt text in sendconfirmation api.

Before

Pay Later text from the contribution page is used even if it is overridden in the api call. Eg

civicrm_api3('Contribution', 'sendconfirmation', [
  'id' => contribution_id,
  'receipt_from_email' => "[email protected]",
  'pay_later_receipt' => 'Mail your check to [email protected] within 3 business days.',
]);

uses the pay later text set in the contribution page of the contribution. If contribution is not attached to any page, there is no way to send a pay later text in the receipt using sendconfirmation api.

After

Pay Later text included.

Comments

Added unit test.

[civibot]

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[KarinG]

@mattwire - this is part of our efforts to make Webform CiviCRM module independent of native Contribution Pages.

[mattwire]

This is consistent with previous changes and has a test