GravityView - Prevent a required field from being required on Edit Entry page

gv-edit-entry-validation.php

<?php // DO NOT COPY THIS LINE

add_filter( 'gform_pre_render', 'gravityview_edit_entry_dont_require_fields' );
add_filter( 'gform_pre_validation', 'gravityview_edit_entry_dont_require_fields' );
function gravityview_edit_entry_dont_require_fields( $form ) {

	if ( ! class_exists( '\GravityView_View' ) ) {
		return $form;
	}

	$view_id = GravityView_View::getInstance()->getViewId();

	if($view_id !== 44873){ // Replace 44873 with your View ID
		return $form;
	}

	foreach ( $form['fields'] as &$field ) {

		if ( $field->id == 6) { // This is the ID of the Email field on form 37
			$field->isRequired = false;
			//$field->validation_message = "Not Required";
		}
	}

	return $form;
}