Editor: Fix "About" dialog
Editor: Fix "About" dialog

Use a HBoxContainer instead of hardcoded positions.

(cherry picked from commit 7ec697695f9a12cbc2338725d887e752022e30f4)

pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1