fix: Apply border-radius to search scrollbar (#409)

<img width="1347" height="458" alt="Image"
src="https://github.com/user-attachments/assets/e6d4df5b-fab7-4322-a894-161cd50bda6f"
/>

This PR fixes the missing border radius at the bottom right border.

Co-authored-by: Robert Schuster <77234379+therobrob@users.noreply.github.com>

Author: MoritzWeber0

assets/sass/search.scss

@@ -19,6 +19,9 @@
 
   .pagefind-ui__results-area {
     margin-top: 0;
+    max-height: 50vh;
+    padding: 0 1rem;
+    overflow-y: scroll;
   }
 
   .pagefind-ui__results li:last-child {
@@ -63,14 +66,13 @@
 
   .pagefind-ui__drawer {
     background-color: var(--bg-default);
-    padding: 0 1rem;
+    padding: 0;
     overscroll-behavior: contain;
-    overflow-y: scroll;
+    overflow: hidden;
     position: absolute;
     top: 7rem;
     width: 100%;
     z-index: 6;
-    max-height: 50vh;
     border: var(--border);
     border-radius: 0 0 var(--border-radius-l) var(--border-radius-l);
   }