Fix line breaking in nodes of the pipeline graph in firefox

Adds MR ID to CHANGELOG entry

app/assets/stylesheets/pages/pipelines.scss

@@ -335,7 +335,6 @@
   width: 100%;
   background-color: $gray-light;
   padding: $gl-padding;
-  overflow: auto;
   white-space: nowrap;
   transition: max-height 0.3s, padding 0.3s;
@@ -621,14 +620,14 @@
 }
 .dropdown-counter-badge {
-  float: right;
   color: $border-color;
   font-weight: 100;
   font-size: 15px;
-  margin-right: 2px;
+  position: absolute;
+  right: 5px;
+  top: 8px;
 }
-
 .grouped-pipeline-dropdown {
   padding: 0;
   width: 191px;

changelogs/unreleased/26026-pipeline-overflow-firefox.yml

+---
+title: Fix line breaking in nodes of the pipeline graph in firefox
+merge_request: 8292
+author: