fix(ui): restore focus indicator for Select widget

Author: zodiacfireworks

src/edit_python_pe/styles.tcss

@@ -311,11 +311,16 @@ Input:focus, TextArea:focus {
     border: tall $info;
 }
 
-Select, Select:focus {
+Select {
     border: none;
     outline: none;
 }
 
+Select:focus {
+    border: tall $info;
+    outline: none;
+}
+
 .label {
     text-align: left;
     width: 100%;