DOC-2498: Autocompleter would not activate after applying an inline format like font size in some cases.

[kemister85]

Ticket: DOC-2498

Site: Staging branch

Changes:

• fix documentation for TINY-11273

Pre-checks:

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

Review:

• [ ] Documentation Team Lead has reviewed