MDL-49214 theme_bootstrapbase: OL list numbers cut off in Clean theme

Conflicts:

	theme/bootstrapbase/style/moodle.css

theme/bootstrapbase/less/moodle/core.less

@@ -2209,7 +2209,7 @@ body.lockscroll {
 .dir-rtl {
     // Bootstrap sets right margin to 0. Fail.
     // They set left margin to 25px so we will copy that.
-    ul, ol {
+    ul {
         margin-left: 0;
         margin-right: 25px;
     }

theme/bootstrapbase/less/moodle/undo.less

@@ -188,4 +188,17 @@ body:not(.jsenabled) .langmenu:hover > .dropdown-menu,
     display: block;
     max-height: 150px;
     overflow-y: auto;
+}
+
+// Extends bootstrapbase/less/bootstrap/type.less
+// to enable ol lists to use a larger number set.
+
+ol {
+    margin: 0 0 @baseLineHeight / 2 2.5em;
+}
+
+.dir-rtl {
+    ol {
+        margin: 0 2.5em @baseLineHeight / 2 0;
+    }
 }