[4.0] Correct field name

[SharkyKZ]

Fixes #30685.

Summary of Changes

Corrects field name and label.

Testing Instructions

Go to create new contact.
Inspect fields in Display tab.

Actual result BEFORE applying this Pull Request

Link B Label field is missing. Link D Label is where Link B Label should be.

Expected result AFTER applying this Pull Request

Link B Label not missing.

Documentation Changes Required

No.

[ghost]

I have tested this item ✅ successfully on 8c75431

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[softforge]

I have tested this item ✅ successfully on 8c75431

Corrects labeling

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[richard67]

RTC

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[HLeithner]

Thanks