MDL-56935 theme_boost: Fix double escaping of navbar items

theme/boost/templates/core/navbar.mustache

@@ -1,10 +1,70 @@
+{{!
+    This file is part of Moodle - http://moodle.org/
+
+    Moodle is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Moodle is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+}}
+{{!
+    @template core/navbar
+
+    Navbar template.
+
+    Classes required for JS:
+    * none
+
+    Data attributes required for JS:
+    * none
+
+    Context variables required for this template:
+    * get_items - array of items
+      * has_action - boolean
+      * action - string
+      * get_title - string
+      * text - HTML
+
+    Example context (json):
+    {
+        "get_items": [
+            {
+                "has_action": true,
+                "action": "#",
+                "get_title": "Test title",
+                "text": "First & fresh"
+            },
+            {
+                "has_action": true,
+                "action": "#",
+                "get_title": "Second item & a title",
+                "text": "Second item"
+            },
+            {
+                "has_action": false,
+                "text": "Third item"
+            },
+            {
+                "has_action": false,
+                "text": "Fourth & last"
+            }
+        ]
+    }
+}}
 <ol class="breadcrumb" role="navigation">
     {{#get_items}}
         {{#has_action}}
-        <li class="breadcrumb-item"><a href="{{{action}}}" {{#get_title}}title="{{get_title}}"{{/get_title}}>{{text}}</a></li>
+            <li class="breadcrumb-item"><a href="{{{action}}}" {{#get_title}}title="{{get_title}}"{{/get_title}}>{{{text}}}</a></li>
         {{/has_action}}
         {{^has_action}}
-        <li class="breadcrumb-item">{{text}}</li>
+            <li class="breadcrumb-item">{{{text}}}</li>
         {{/has_action}}
     {{/get_items}}
 </ol>