[4.0.0-beta7] Problem with expand the left menu in admin side.

[variax73]

Steps to reproduce the issue

1. Log as s Administrator.
2. Go to System->Administrator Modules.
3. Search "Admin Menu" (Id=12).
4. Duplicate them.
5. Publish them.
6. Collapse left menu ("Toggle Menu" switch). Showing narrow menu with icons only.
7. Click any icon from duplicated module - menu don't expand. Menu expands correctly only in first module.

Expected result

Left menu expands for each modules added in position "menu".

Actual result

Left menu expands correctly only in first module added in position "menu".

System information (as much as possible)

OS:

• Windows 10 with last update

Browsers:

• Microsoft Edge Wersja 89.0.774.63 (Oficjalna kompilacja) (wersja 64-bitowa)
• Firefox Version 87.0
• Internet Explorer 11

Additional comments

[Shivanshuvyas]

Left menu expanded for one second for each module added.

[variax73]

No. Menu expand only for first module. Second and other don't expand menu.

[Hackwar]

Please test #43192 to fix this. Since we have a PR, closing this issue.