Update mutation observer to consider added and removed text nodes
Update mutation observer to consider added and removed text nodes

ChenMichael/trix,GabiGrin/trix,ChenMichael/trix,GabiGrin/trix,ChenMichael/trix,basecamp/trix,basecamp/trix,urossmolnik/trix,urossmolnik/trix,urossmolnik/trix,basecamp/trix,GabiGrin/trix,basecamp/trix