Add option to setting to show additional button to course home - refs BT#20399

New option in setting added "add_extra_quit_to_home_icon":

$_configuration['lp_view_settings'] = [
    'display' => [
        //...
        'add_extra_quit_to_home_icon' => false,
    ],
];

main/install/configuration.dist.php

@@ -1028,6 +1028,7 @@ ALTER TABLE skill_rel_course ADD CONSTRAINT FK_E7CEC7FA613FECDF FOREIGN KEY (ses
         'hide_lp_arrow_navigation' => false,
         'show_toolbar_by_default' => false,
         'navigation_in_the_middle' => false,
+        'add_extra_quit_to_home_icon' => false,
     ],
 ];*/
 

main/lp/lp_view.php

@@ -561,13 +561,16 @@ $showMenu = 0;
 $settings = api_get_configuration_value('lp_view_settings');
 $display = isset($settings['display']) ? $settings['display'] : false;
 $navigationInTheMiddle = false;
+$addExtraQuitToHomeIcon = false;
 if (!empty($display)) {
     $showMenu = isset($display['show_toolbar_by_default']) && $display['show_toolbar_by_default'] ? 1 : 0;
     $navigationInTheMiddle = isset($display['navigation_in_the_middle']) && $display['navigation_in_the_middle'] ? 1 : 0;
+    $addExtraQuitToHomeIcon = $display['add_extra_quit_to_home_icon'] ?? false;
 }
 
 $template->assign('show_toolbar_by_default', $showMenu);
 $template->assign('navigation_in_the_middle', $navigationInTheMiddle);
+$template->assign('add_extra_quit_to_home_icon', $addExtraQuitToHomeIcon);
 
 if ($gamificationMode == 1) {
     $template->assign('gamification_stars', $lp->getCalculateStars($sessionId));

main/template/default/learnpath/view.tpl

@@ -155,6 +155,18 @@
         <div class="lp-view-zone-container">
             <div class="lp-view-tabs">
                 <div id="navTabsbar" class="nav-tabs-bar">
+                    {% if add_extra_quit_to_home_icon %}
+                        <a style="margin: 3px 10px 0 0; position: relative; z-index: 10"
+                           role="button"
+                           title="{{ 'Close'|get_lang }}"
+                           href="{{ button_home_url }}"
+                           class="icon-toolbar pull-right" target="_self"
+                           onclick="window.parent.API.save_asset();"
+                        >
+                            <em class="fa fa-times" aria-hidden="true"></em>
+                        </a>
+                    {% endif %}
+
                     <ul id="navTabs" class="nav nav-tabs tabs-right" role="tablist">
                         <li role="presentation" class="active">
                             <a href="#lp-view-content" title="{{ 'Lesson'|get_lang }}"