[Share with users, groups] You must click Search to find all users that begin with the letter d, it is not automatic

[Dianafg76]

Steps to reproduce

1. Install the Desktop v 2.1.0 with user1
2. Open your ownCloud desktop client
3. Go to Open Folder "ownCloud"
4. Create a new folder, called aaa
5. Right click on the folder aaa
6. Select share with ownCloud
7. Introduce the first letter for the user to share (e.g. d)

Expected behaviour

When you introduce one letter (e.g. d) All users start with the same letter should appear automatically

Actual behaviour

You must click Search to find all users that begin with the letter d, it is not automatic

Server configuration

Desktop v ownCloud-2.1.0.2871-nightly20151111.pkg
Server v {"installed":true,"maintenance":false,"version":"8.2.1.1","versionstring":"8.2.1 RC2","edition":"Enterprise"}

[Dianafg76]

related with #3737

[ogoffart]

Fixed in commit 0d21503

[Dianafg76]

I tested this issue and is working OK
Desktop v ownCloud-2.1.0.5630-nightly20151117-setup.exe on WINDOWS
Server v {"installed":true,"maintenance":false,"version":"8.2.1.1","versionstring":"8.2.1 RC2","edition":"Enterprise"}