Trim select text

A fix provided in Dogfalo#6142 to fix Dogfalo#3249

Author: richarddewit

js/select.js

@@ -378,7 +378,7 @@
 
       options.each((el) => {
         if ($(el).prop('selected')) {
-          let text = $(el).text();
+          let text = $(el).text().trim();
           values.push(text);
         }
       });