Duplicate entry into h5p_nodes_libraries

Description

I think it may be related to multiple PHP threads running filterParameters at the same time.

A relevant report on h5p.org:
https://h5p.org/comment/16398#comment-16398

Environment

None

Acceptance Criteria

No errors about duplicate keys.

Status

Assignee

Unassigned

Reporter

Frode Petterson

Labels

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Released

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Time tracking

0m

Fix versions

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Sprint

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Priority

Medium
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