add text-nowrap class to .authors

lib/views/layout-growi/widget/header.html

@@ -13,7 +13,7 @@
       {% if page %}
       {% include '../../widget/header-buttons.html' %}
 
-      <ul class="authors hidden-sm hidden-xs">
+      <ul class="authors hidden-sm hidden-xs text-nowrap">
         <li>
           <div class="d-flex align-items-center">
             <a class="m-r-5" href="{{ userPageRoot(page.creator) }}">

resource/styles/bootstrap4/_utilities.scss

@@ -10,5 +10,5 @@
 // @import "utilities/screenreaders";
 // @import "utilities/sizing";
 @import "utilities/spacing";
-// @import "utilities/text";
+@import "utilities/text";
 // @import "utilities/visibility";