Team Calendars from Confluence doesn't work with Viewport

Description

Steps to reproduce:

  1. Create a page with team calendars -> Add a new calendar

  2. Activate Viewport(Web help theme) and view the page in Viewport

Expected result:
Team calendar is visible correctly.

Actual result:
Team calendar is broken.

Environment

None
Fixed

Assignee

Unassigned

Reporter

Sync User [K15t]

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