Make sure the documentation comment for template files is the first part of the file

Problem/Motivation

In some template files, the first lines are similar to the following ones.

{% extends "@block/block.html.twig" %}
{#
/**
 * @file
 * Theme override for local actions (primary admin actions).
 */
#}

The short description for the file should be the first part of the file.

Proposed resolution

Change those files to make the documentation comment the first part of the file.