Updated list view MR icon

app/views/shared/_issuable_meta_data.html.haml

@@ -6,7 +6,7 @@
 
 - if issuable_mr > 0
   %li.issuable-mr.gl-display-none.gl-display-sm-block.has-tooltip{ title: _('Related merge requests') }
-    = image_tag('icon-merge-request-unmerged.svg', class: 'icon-merge-request-unmerged')
+    = sprite_icon('merge-request', css_class: "gl-vertical-align-middle")
     = issuable_mr
 
 - if upvotes > 0

changelogs/unreleased/267963-related-merge-requests-icon-in-issues-list-is-rendered-incorrectly.yml

+---
+title: Updated list view MR icon
+merge_request: 46059
+author:
+type: fixed