fix: some plugin issues

* fix: action comment_form_after should be called #341

* fix: add custom_upload_perfilter on filter wp_handle_sideload_prefilter #345

comments.php

@@ -74,6 +74,7 @@ if (comments_open()) {?>
 				</div>
 			</div>
 		    <?php comment_id_fields();?>
+		    <?php do_action('comment_form_after');?>
 		    <?php do_action('comment_form', $post->ID);?>
 		</form>
 		<?php endif;?>

inc/theme-core.php

@@ -210,6 +210,7 @@ if (kratos_option('g_removeimgsize', false)) {
 }
 
 // 媒体文件使用 md5 值重命名，指定文件前缀
+add_filter('wp_handle_sideload_prefilter', 'custom_upload_perfilter');
 add_filter('wp_handle_upload_prefilter', 'custom_upload_filter');
 
 function custom_upload_filter($file)