Track Changes -Alternatives Articles: Issues when changing from Alt 1 to Alt 2 and vice versa

Steps to reproduce:-

Issue 1:-

1.Make a new proposal of SJ024 without Track changes On.

2.Go to Article 3 (Transposition) and change to Alternative 2 and switch to another browser tab and come back again

3.Start typing the text without putting cursor and it goes on the top - NOK

Issue 2:-

Without Track changes on switch Alternative 1 to Alt 2 and write some text the alternative option is missing

Issue 3:-

When change to alternative 2 it shows blank space inside ck editor.