fix layout-fixed main-/control-sidebar height

build/scss/_layout.scss

@@ -566,7 +566,6 @@ body:not(.layout-fixed) {
   .main-sidebar {
     bottom: 0;
     float: none;
-    height: 100vh;
     left: 0;
     position: fixed;
     top: 0;
@@ -575,7 +574,6 @@ body:not(.layout-fixed) {
   .control-sidebar {
     bottom: 0;
     float: none;
-    height: 100vh;
     position: fixed;
     top: 0;