In Compare View mode, can't scroll page at right side (non-master language)

Description

Steps to reproduce

1. Create content (page/block) in the English(master) language.
2. Create the content in the Swedish (Svenska) language via the Create Link button at the Language Gadget.
3. Click "Compare with English (master)' option from More Options or the context menu.
4. Switch to the Content tab.

Expected: User can scroll page at right side; scroll bar appears.
Actual: User can't scroll page at right side; scroll bar doesn't appear.

Note: This bug happens randomly.
Tested on CMS10 + EPiServer.Labs.LanguageManager version 3.0.4-pre-000038