MDL-61138 mod_quiz: add question preview to random question modal

theme/bootstrapbase/templates/mod_quiz/random_question_form_preview.mustache

@@ -0,0 +1,40 @@
+{{!
+    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 mod_quiz/random_question_form_preview
+
+    A preview section for the list of questions that match the random
+    question criteria in the random question form.
+
+    Classes required for JS:
+    * none
+
+    Data attributes required for JS:
+    * none
+
+    Context variables required for this template:
+    * title A cleaned string (use clean_text()) to display.
+    * body HTML content for the boday
+
+    Example context (json):
+    {}
+}}
+<div class="m-t-2" data-region="random-question-preview-container" style="position:relative">
+    <div data-region="question-count-container"></div>
+    <div data-region="question-list-container"></div>
+    {{< core/overlay_loading }}{{$hiddenclass}}{{/hiddenclass}}{{/ core/overlay_loading }}
+</div>