Force a sync render when measuring if we don’t have a DOM node for a row

src/text-editor-component.coffee

@@ -440,6 +440,8 @@ class TextEditorComponent
 
     unless @presenter.isRowVisible(screenPosition.row)
       @presenter.setScreenRowsToMeasure([screenPosition.row])
+
+    unless @linesComponent.lineNodeForLineIdAndScreenRow(@presenter.lineIdForScreenRow(screenPosition.row), screenPosition.row)?
       @updateSyncPreMeasurement()
 
     pixelPosition = @linesYardstick.pixelPositionForScreenPosition(screenPosition)

src/text-editor-presenter.coffee

@@ -1377,3 +1377,6 @@ class TextEditorPresenter
 
   isRowVisible: (row) ->
     @startRow <= row < @endRow
+
+  lineIdForScreenRow: (screenRow) ->
+    @model.tokenizedLineForScreenRow(screenRow)?.id