Fix Z39.50 sub-menu appearence

[buitenzorg812]

Describe the bug The feature is comment by default for SLiMS 9 Bulian. But when user want to activate it, they can uncomment within the sub-menu. The appearance of the sub-menu needs to be adjusted for SLiMS 9 Bulian.

To Reproduce Steps to reproduce the behavior:

1. Uncomment the sub-menu Z3950 service in the submenu.php within admin/modules/bibliography
2. Login to your SLiMS 9
3. Go to Bibliography module
4. See the sub-menu appear

Expected behavior A sub-menu with appearence needs to be adjusted.

Screenshots

Desktop (please complete the following information):

• OS: MS Windows
• Browser: MS Edge
• Version: 96.0

[nalamapu]

I have also experienced the same at chrome browser also.