Add spacing to button

Author: HDinger

.changeset/silver-tables-hope.md

@@ -0,0 +1,5 @@
+---
+'@openproject/primer-view-components': patch
+---
+
+Add spacing to custom filter button Primer::OpenProject::SubHeader

app/components/primer/open_project/sub_header.rb

@@ -154,6 +154,7 @@ class SubHeader < Primer::Component
           renders: lambda { |**kwargs|
             deny_tag_argument(**kwargs)
             kwargs[:tag] = :div
+            kwargs[:mr] ||= 2
             kwargs = set_as_hidden_filter_target(kwargs)
 
             Primer::BaseComponent.new(**kwargs)