[dialog addon] Set the focus before setting the text.

addon/dialog/dialog.js

@@ -56,6 +56,8 @@
 
     var inp = dialog.getElementsByTagName("input")[0], button;
     if (inp) {
+      inp.focus();
+
       if (options.value) {
         inp.value = options.value;
         if (options.selectValueOnOpen !== false) {
@@ -79,8 +81,6 @@
       });
 
       if (options.closeOnBlur !== false) CodeMirror.on(inp, "blur", close);
-
-      inp.focus();
     } else if (button = dialog.getElementsByTagName("button")[0]) {
       CodeMirror.on(button, "click", function() {
         close();