"Go to block/media" can't be shown in TinyMCE editor in full-screen APE mode

Description

Steps to reproduce:
1. Edit an XhtmlString property containing a block/image.
2. Switch to in All-Properties mode.
3. View its TinyMCE editor in full-screen mode.
4. Select block/image in TinyMCE editor.

Expected: Shows "Go to block" / "Go to media".
Actual: Shows no button to open the block/image.
Notes: The issue doesn't happen to XhtmlString property on a block/media.