Update more broken links from file dirextory consolidation

user/ajax/ajax_calendar_event_edit.php

@@ -1,6 +1,6 @@
 <?php
 
-require_once '../includes/ajax_header.php';
+require_once '../../includes/modal_header.php';
 
 $event_id = intval($_GET['id']);
 
@@ -21,7 +21,7 @@ $client_id = intval($row['event_client_id']);
 // Generate the HTML form content using output buffering.
 ob_start();
 ?>
-<div class="modal-header">
+<div class="modal-header bg-dark">
     <h5 class="modal-title"><i class="fa fa-fw fa-calendar mr-2" style="color:<?php echo $calendar_color; ?>"></i><?php echo $event_title; ?></h5>
     <button type="button" class="close text-white" data-dismiss="modal">
         <span>&times;</span>
@@ -31,7 +31,7 @@ ob_start();
 <form action="post.php" method="post" autocomplete="off">
     <input type="hidden" name="event_id" value="<?php echo $event_id; ?>">
 
-    <div class="modal-body bg-white">
+    <div class="modal-body">
 
         <ul class="nav nav-pills nav-justified mb-3">
             <li class="nav-item">
@@ -183,7 +183,7 @@ ob_start();
         </div>
 
     </div>
-    <div class="modal-footer bg-white">
+    <div class="modal-footer">
         <a class="btn btn-default text-danger mr-auto" href="post.php?delete_event=<?php echo $event_id; ?>"><i class="fa fa-calendar-times mr-2"></i>Delete</a>
         <button type="submit" name="edit_event" class="btn btn-primary text-bold"><i class="fa fa-check mr-2"></i>Save</button>
         <button type="button" class="btn btn-light" data-dismiss="modal"><i class="fa fa-times mr-2"></i>Cancel</button>
@@ -191,4 +191,4 @@ ob_start();
 </form>
 
 <?php
-require_once "../includes/ajax_footer.php";
+require_once '../../includes/modal_footer.php';