Firefox: scene background is not showing in the editor

Description

Acceptance criteria

-Scene background should show in the editor

Can be tested here(Firefox): https://staging.h5p.org/node/302362/

Environment

None

Acceptance Criteria

None

Status

Assignee

Unassigned

Reporter

Jelena Milinovic

Funding

None

Code reviewer

None

Released

None

Time tracking

0m

Fix versions

None

Sprint

None

Priority

Medium