Add test for thai script

This isn’t causing an issue, though at a higher level we wish to split the combined characters when using backward delete.
Add attr.bundle-editor.* scope to bundle editor

This allows us to limit or override things just for the bundle editor.
Move “Open Target” out of the Avian bundle

Instead it’s in the OakDebug bundle. This command is only useful for people working on the TextMate source (in TextMate).