Fix members multi select input padding

app/assets/stylesheets/framework/selects.scss

@@ -118,7 +118,7 @@
     background: none;
 
     .select2-search-field input {
-      padding: 5px $gl-padding / 2;
+      padding: 5px $gl-input-padding;
       height: auto;
       font-family: inherit;
       font-size: inherit;

changelogs/unreleased/fix-padding-in-project-settings-members.yml

+---
+title: Fix multi select input padding in project and group user select
+merge_request: 20520
+author: Kevin Lee
+type: fixed