[5.0] User field: fix "No user" selection

[Fedik]

Pull Request for Issue #42255 .

Summary of Changes

User field: fix button "No user"

Testing Instructions

Edit any Contact,
Asign User,
Then open User selection dialog again and click "- No User -"

Actual result BEFORE applying this Pull Request

Nothing happened

Expected result AFTER applying this Pull Request

Dialog is closed and User is unselected

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

Reference:

• [5.0] Modal Dialog for User field #41680

[HLeithner]

@fgsw can you please test this PR

[ghost]

I have tested this item ✅ successfully on 0f16063

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[Quy]

I have tested this item ✅ successfully on 0f16063

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/42256.}

[Quy]

RTC

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/42256.}

[HLeithner]

thanks

[dautrich]

I have tested this item ✅ successfully on 0f16063

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/42256.}