fix /learn layout

ui/learn/css/_layout.scss

@@ -6,6 +6,9 @@ $mq-col3: $mq-col3-uniboard;
   @include breakpoint($mq-col2) {
     --main-max-width: auto;
   }
+  &.learn-full {
+    --main-max-width: 100%;
+  }
 }
 
 .learn {

ui/learn/css/_learn.scss

@@ -6,7 +6,3 @@
 @import 'screen';
 @import 'side-map';
 @import 'side-home';
-
-#main-wrap {
-  --main-max-width: 100%;
-}

ui/learn/src/map/mapView.js

@@ -68,7 +68,11 @@ function titleVerbosityClass(title) {
 }
 
 module.exports = function(ctrl) {
-  return m('div.learn.learn--map', [
+  return m('div.learn.learn--map', {
+    config: function(_, isUpdate) {
+      if (!isUpdate) $('#main-wrap').addClass('learn-full');
+    }
+  }, [
     m('div.learn__side', ctrl.opts.side.view()),
     m('div.learn__main.learn-stages', [
       stages.categs.map(function(categ) {

ui/learn/src/run/runView.js

@@ -34,6 +34,9 @@ module.exports = function(ctrl) {
   var level = ctrl.level;
 
   return m('div', {
+    config: function(_, isUpdate) {
+      if (!isUpdate) $('#main-wrap').removeClass('learn-full');
+    },
     class: 'learn learn--run ' + stage.cssClass + ' ' + level.blueprint.cssClass +
     (level.vm.starting ? ' starting' : '') +
     (level.vm.completed && !level.blueprint.nextButton ? ' completed' : '') +