Hold correct selection state on morph merges
Hold correct selection state on morph merges

During the merge we overwrote this information and had a minor visual
bug in the morph selection panel.

alpheios-project/arethusa,alpheios-project/arethusa,latin-language-toolkit/arethusa,PonteIneptique/arethusa,fbaumgardt/arethusa,latin-language-toolkit/arethusa,fbaumgardt/arethusa,Masoumeh/arethusa,alpheios-project/arethusa,PonteIneptique/arethusa,Masoumeh/arethusa,fbaumgardt/arethusa