NPE in comment placeholder if a comment has no creator

Description

If a comment has no creator, calling $comment.author results in a NullPointerException.

$comment.author is deprecated anyway and template developer should use $comment.creator.username.

Environment

None

Status

Assignee

Maximilian Hilbert (K15t)

Reporter

Maximilian Hilbert (K15t)

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Sprint

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Fix versions

Priority

Minor