Select All action works global

[mortalYoung]

Description

Select all command always select the editor content

Reproduce

1. Type something in the search field when don't open any editor
2. command + A
3. Console will get a TypeError

And the search field can't select all.

If type something in the search field when open an editor, then command + A will select all the content of the editor rather than the content of the search field.