[stable10] Backport to Fix response when user is removed from group

[phil-davis]

When user is successfully removed from the group
fix message that is sent by server.

Signed-off-by: Sujith H sharidasan@owncloud.com

Description

When users are added/removed to the group the group counts should automatically updated. No error message should be seen in the console when users are added successfully to the group or deleted from the group. This PR focuses on the deletion part, though.

Related Issue

• Fixes 10.2: Remove user from a group results in an error #35289

Motivation and Context

Fix the removal of user issue from the group from the UI. The issue was with togglegroups.php sending response data.

How Has This Been Tested?

• Test works as same mentioned at Fix response when user is removed from group owncloud-archive/user_management#188 (comment)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Database schema changes (next release will require increase of minor version instead of patch)
• Breaking change (fix or feature that would cause existing functionality to change)
• Technical debt
• Tests only (no source changes)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation ticket raised:

[phil-davis]

Original PR: owncloud-archive/user_management#188

Backport to release-10.2.1 #35570

I made this backport to stable10 because so far in making release-10.2.1 we have first put all the code into stable10 and then also cherry-picked the commits that are specially to go in release-10.2.1. There will be nothing to merge back from release-10.2.1