UX: Show scrollbar only when needed in dropdowns (#14461)

UX: Show scrollbar only when needed in dropdowns (#14461)

Avoids showing a disabled scrollbar when not necessary.

diff --git a/app/assets/stylesheets/common/select-kit/select-kit.scss b/app/assets/stylesheets/common/select-kit/select-kit.scss
index 29b0a14..ebed263 100644
--- a/app/assets/stylesheets/common/select-kit/select-kit.scss
+++ b/app/assets/stylesheets/common/select-kit/select-kit.scss
@@ -169,7 +169,7 @@
 
     .selected-content {
       max-height: 300px;
-      overflow-y: scroll;
+      overflow-y: auto;
     }
   }
 

GitHub sha: b0b87efb833e6db32874811c410452995a59ada4

This commit appears in #14461 which was approved by CvX. It was merged by pmusaraj.