Fix webUI display of group containing numeric username

[phil-davis]

Description

1. When looking up a user id allow the uid to be a number that "looks like a string" - allowing a number of any sort (which will always cast itself into a non-empty string later as required)

2. I went looking for an API test for this - there does not seem to be anything directly for settings/users/... - but I noticed that there is no provisioning test to make sure that endpoint provides a list of users in a group, so added one here. That passes with string and numeric usernames.

Related Issue

#30727

Motivation and Context

"random" issues with numeric<=>string mixups are annoying. Fix them.

How Has This Been Tested?

1. In the webUI, login as admin and add user 123
2. Add a group aaa
3. Add user 123 to group aaa
4. Click on group aaa in the groups left-side panel
5. See that the group member 123 is displayed

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #30732 into master will not change coverage.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master   #30732   +/-   ##
=========================================
  Coverage     62.24%   62.24%           
- Complexity    18248    18249    +1     
=========================================
  Files          1091     1091           
  Lines         61665    61665           
=========================================
  Hits          38386    38386           
  Misses        23279    23279

Impacted Files	Coverage Δ	Complexity Δ
lib/private/User/Manager.php	81.56% <100%> (ø)	53 <0> (+1)	⬆️

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[PVince81]

👍

[PVince81]

please backport

[phil-davis]

Backport stable10 #30811

[lock]

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.