[4.0] Fix for article being submitted by Enter key

[SharkyKZ]

Pull Request for Issue #24035 .

Summary of Changes

Adds missing type attribute to buttons.

Testing Instructions

Open article form.
Fill out required fields.
While in a text field press Enter.

Expected result

Nothing happens.

Actual result

Article form is submitted.

Documentation Changes Required

No.

[zwiastunsw]

I have tested this item ✅ successfully on c5fab05

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[astridx]

I have tested this item ✅ successfully on c5fab05

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[Quy]

RTC

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[wilsonge]

Thanks!