Changes of title and subtitle when changing graphic type

How to fix the following bug:
when I change the graphic type,
the title changes to
Lorem ipsum dolor sit amet

and the subtitle to

consectetur adipiscing elit, sed do eiusmod

and original title and subtitle are deleted,
Expected behavior (what is happening?)

Actual behavior (what do you expect to happen?)

To reproduce (or link to chart/page which demonstrates the issue)


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