Internal: Update `ckeditor5` in demo.

[filipsobol]

Suggested merge commit message (convention)

Internal: Update ckeditor5 in demo.

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Additional information

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[coveralls]

Pull Request Test Coverage Report for Build 44b6833e-097e-412a-80c4-d519b86cd55d

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 0e054290-941c-4b83-ade8-58f53e4987aa:	0.0%
Covered Lines:	47
Relevant Lines:	47

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💛 - Coveralls