Increase issue board filter heightg

Fixed linting issue

Adding missing changelog

app/assets/stylesheets/framework/system_messages.scss

@@ -83,12 +83,20 @@
   // right sidebar eg: mr page
   .nav-sidebar,
   .right-sidebar,
-    // navless pages' footer eg: login page
-    // navless pages' footer border eg: login page
+  // navless pages' footer eg: login page
+  // navless pages' footer border eg: login page
   &.devise-layout-html body .footer-container,
   &.devise-layout-html body hr.footer-fixed {
     bottom: $system-footer-height;
   }
+
+  .content-wrapper {
+    margin-bottom: 16px;
+  }
+
+  .boards-list {
+    height: calc(100vh - #{$header-height + $breadcrumb-min-height + $performance-bar-height + $system-footer-height + $gl-padding-32});
+  }
 }
 
 .fullscreen-layout {

changelogs/unreleased/30853-footer-system-message-covers-horizontal-scrollbar.yml

+---
+title: Footer system message fix
+merge_request:
+author:
+type: fixed