use line height instead of padding on select in search filter so descenders don't get cut off

Author: mojavelinux

src/css/vendor/docsearch.css

@@ -129,8 +129,8 @@
   display: none;
   appearance: none;
   font-size: 0.9em;
-  line-height: 1;
-  padding: 0.5em 1.5em 0.5em 0.5em;
+  line-height: 2;
+  padding: 0 1.5em 0 0.5em;
   border: 1px solid #c1c1c1;
   border-radius: 0.25em;
   box-shadow: 0 1px 1px 1px rgba(0, 0, 0, 0.05);