DOC-2498: The toolbar-sticky-offset would still be applied after entering fullscreen mode.

[kemister85]

Ticket: DOC-2498

Site: Staging branch

Changes:

• Fix documentation for TINY-11137

Pre-checks:

• [x] Branch prefixed with feature/<version>/, hotfix/<version>/, staging/<version>/, or release/<version>/.

Review:

• [ ] Documentation Team Lead has reviewed