fix(dgsi): Switch to focus event for selecting

This should fix the issue where iOS devices cannot select the text.

Fixes #11

src/shared/static/js/dgsi.js

@@ -26,7 +26,7 @@ const init = ($node) => {
   });
 
   q("[data-select]", ($input) => {
-    $input.addEventListener("click", () => {
+    $input.addEventListener("focus", () => {
       $input.select();
     });
   });