MDL-52037 theme: Correct question feedback width

This relates to the cloze question answer when hovered.

theme/boost/scss/moodle/question.scss

@@ -306,6 +306,10 @@ body.path-question-type {
 
 .que.multianswer .formulation .yui3-widget-positioned {
     box-sizing: content-box;
+    .feedbackspan {
+        width: inherit;
+        max-width: inherit;
+    }
 }
 
 .path-mod-quiz input[size] {

theme/bootstrapbase/less/moodle/question.less

@@ -240,6 +240,8 @@ body.path-question-type .fitem_fgroup .accesshide {
 .que.multianswer .formulation .yui3-widget-positioned .feedbackspan {
     box-sizing: content-box;
     padding-bottom: 0;
+    max-width: inherit;
+    width: inherit;
 }
 .path-mod-quiz input[size] {
     width: auto;

theme/bootstrapbase/style/moodle.css

@@ -6965,6 +6965,8 @@ body.path-question-type .fitem_fgroup .accesshide {
 .que.multianswer .formulation .yui3-widget-positioned .feedbackspan {
   box-sizing: content-box;
   padding-bottom: 0;
+  max-width: inherit;
+  width: inherit;
 }
 .path-mod-quiz input[size] {
   width: auto;