LabeledFieldView - Find and Replace ui text stacks on top of user input

[przemyslaw-zan]

📝 Provide detailed reproduction steps (if any)

1. Type something in Find in text...
2. Click Find
3. Type something in Replace with...
4. Click the ⚙️ and flip Match case option

✔️ Expected result

Replace with... label stays on top of the input field, as there is already text inside.

❌ Actual result

Replace with... label and text inside the input field stack on top of eachother:

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[oleq]

DUP of #10431.