Replace deprecated margin classes for Bootstrap 5

Author: AnupamaSarjoshi

combinable/multichoice/renderer.php

@@ -75,7 +75,7 @@ public function subquestion(question_attempt $qa,
             }
 
             $choice = html_writer::div($question->format_text($ans->answer, $ans->answerformat, $qa,
-                'question', 'answer', $ansid), 'flex-fill ml-1');
+                'question', 'answer', $ansid), 'flex-fill ms-1');
             $rbuttons[] = html_writer::empty_tag('input', $inputattributes + $commonattributes) .
                 html_writer::div(html_writer::span(\qtype_combined\utils::number_in_style($value, $question->answernumbering),
                 'answernumber') . $choice, 'd-flex w-auto',
@@ -91,7 +91,7 @@ public function subquestion(question_attempt $qa,
 
             $class = 'r' . ($value % 2);
             if ($options->correctness && $isselected) {
-                $feedbackimg[] = html_writer::span($this->feedback_image($ans->fraction), 'ml-1');
+                $feedbackimg[] = html_writer::span($this->feedback_image($ans->fraction), 'ms-1');
                 $class .= ' ' . $this->feedback_class($ans->fraction);
             } else {
                 $feedbackimg[] = '';

edit_combined_form.php

@@ -89,7 +89,7 @@ protected function definition_inner($mform) {
                 function($placeholder) {
                     return html_writer::empty_tag('input', ['type' => 'text', 'readonly' => 'readonly', 'size' => '26',
                             'value' => $placeholder, 'onfocus' => 'this.select()',
-                            'class' => 'form-control-plaintext d-inline-block qtype_combined_placeholder mr-3']);
+                            'class' => 'form-control-plaintext d-inline-block qtype_combined_placeholder me-3']);
                 }, qtype_combined_type_manager::get_example_placeholders());
         $subq = $mform->createElement('static', 'subq', get_string('subquestiontypes', 'qtype_combined'),
                 implode("\n", $placeholders));