remove wrong/unneeded margin of custom navigation header logo without logo text

app/assets/stylesheets/framework/header.scss

@@ -104,7 +104,10 @@
       img {
         height: 28px;
-        margin-right: 8px;
+
+        + .logo-text {
+          margin-left: 8px;
+        }
       }
       &.wrap {

app/views/layouts/header/_default.html.haml

@@ -6,8 +6,10 @@
         %h1.title
           = link_to root_path, title: 'Dashboard', id: 'logo' do
             = brand_header_logo
-            %span.logo-text.hidden-xs
-              = brand_header_logo_type
+            - logo_text = brand_header_logo_type
+            - if logo_text.present?
+              %span.logo-text.hidden-xs
+                = logo_text
         - if current_user
           = render "layouts/nav/dashboard"

changelogs/unreleased/fix_gitlab-ce-41891.yml

+---
+title: 'Fix custom header logo design nitpick: Remove unneeded margin on empty logo text'
+merge_request: 16383
+author: Markus Doits
+type: fixed