Same issue as #45501, #45502, #45503 and #45504 but with Users, Groups, User Notes.
Access Levels does not have this issue: spaces before or after the Access level title are removed during saving.

Summary of Changes

This PR removes any space before or after the Users Name, Group name, User Note Subject.

Testing Instructions

In the back-end:

• Users > Manage > edit a person and add spaces before the Name
• Users > Groups > edit a group and add spaces before the Group Title
• Users > User Notes > create a new note and add spaces before the Subject

Actual result BEFORE applying this Pull Request

Users > Manage > edit a person and add spaces before the Name

Users > Groups > edit a group and add spaces before the Group Title

Users > User Notes > create a new note and add spaces before the Subject

Expected result AFTER applying this Pull Request

Users > Manage > edit a person and add spaces before the Name

Users > Groups > edit a group and add spaces before the Group Title

Users > User Notes > create a new note and add spaces before the Subject

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed