Constantly sync scroll left/top value from editor to edit session
Constantly sync scroll left/top value from editor to edit session

Previously these values were only saved on the edit session when
is became inactive causing the scroll position to not always
persist between refreshes.

Closes #474

lestat220255/autocomplete-plus,emhagman/autocomplete-jedi,emhagman/autocomplete-jedi,kevinsawicki/autocomplete-plus,Lyleo/autocomplete-plus,kevinsawicki/autocomplete-plus,atom-community/autocomplete-plus,brntbeer/autocomplete-plus,wakermahmud/autocomplete-plus,atom/autocomplete,atom/autocomplete-plus,atom-archive/autocomplete