Description:
When typing a text and highlighting the text and converting it into a Title, the text gets converted to a title but the old text is still present there and I will have to delete it by myself. Sometimes the heading and the text gets combined and disappears halfway.
Version: 6.1.0.1 (x64)
Build ID: 378e26bd4f22a135cef5fa17afd5d4171d8da21a
CPU threads: 4; OS: Windows 10.0; UI render: default; 
Locale: en-IN (en_IN); Calc: CL


Steps to Reproduce:
1.Type a tex like a "Lorem Ipsum" or something

2.Highlight the text
3.On the top left click the dropdown menu where it says "Default style" located under the save button and pres "Title"

Actual Results:
When I performed these steps, the text got converted to a title, but instead of just having the Title, there are two text

Expected Results:
Only the title should appear and not the text which was there before it got converted to a title.


Reproducible: Always


User Profile Reset: Yes



Additional Info: