Incorrect rendering of Substitutios in Preview

[Eusorph]

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When making a substitution (deletion+addition) and going to "Preview accepting all", Commentator shows the deletion instead of the addition. When I then go and "Accept all suggestion" text comes out right with the deletion deleted and the addition showing up.

Example: Una forza mostruosa si sollevò dentro {~~di lui ~>M04 ~~}e si riversò fuori con lingue azzurrine. Preview accepting all: Una forza mostruosa si sollevò dentro di lui e si riversò fuori con lingue azzurrine. (wrong) Text after accepting al suggestions: Una forza mostruosa si sollevò dentro M04 e si riversò fuori con lingue azzurrine. (right)

[Fevol]

Many thanks for the bug reports, it seems like there also some issues with preview mode when it is combined with source mode.

I will try to tackle theses issues as soon as I have some time (though it will take a while, sadly)