MDL-68749 theme: Fix bootstrap toggle switches in RTL layout

Co-authored-by: Bas Brands <[email protected]>

theme/boost/scss/moodle/bootstrap-rtl.scss

@@ -23,4 +23,8 @@
     left: 0;
     text-align: right;
 }
-*/
+*/
+
+.dir-rtl .custom-switch .custom-control-input:checked ~ .custom-control-label::after {
+    transform: translateX(-($custom-switch-width - $custom-control-indicator-size));
+}

theme/boost/style/moodle.css

@@ -9630,6 +9630,9 @@ input[disabled] {
     text-align: right;
 }
 */
+.dir-rtl .custom-switch .custom-control-input:checked ~ .custom-control-label::after {
+  transform: translateX(-0.9375rem); }
+
 /* core.less */
 #region-main {
   overflow-x: auto;

theme/classic/style/moodle.css

@@ -9834,6 +9834,9 @@ input[disabled] {
     text-align: right;
 }
 */
+.dir-rtl .custom-switch .custom-control-input:checked ~ .custom-control-label::after {
+  transform: translateX(-0.75rem); }
+
 /* core.less */
 #region-main {
   overflow-x: auto;