Provides a temp workaround to help ensure the more event/view all X event links within month view are functional

temp-fix-embedded-month-view-day-links.php

<?php
/**
 * Ensure that month view 'view all X events' on this day links are functional.
 *
 * This is a temporary workaround for a bug in Events Calendar PRO 4.4.20.1.
 */
add_filter( 'tribe_get_day_link', function( $url, $date ) {
	// Intervention is only needed following navigation by ajax
	if ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) {
		return $url;
	}

	// Sanity check: only intervene if we have a valid date to work with
	if ( ! preg_match( '/^[0-9]{4}-[0-9]{2}-[0-9]{2}$/', $date ) ) {
		return $url;
	}

	// Ensure the expected view parameters are in place
	$view_params = [
		'tribe-bar-date' => $date,
		'tribe_event_display' => 'day'
	];

	$url = remove_query_arg( 'date', $url );
	return add_query_arg( $view_params, $url );
}, 10, 2 );