cubicweb #3696871 NotificationView will not behave correctly if cw_row or cw_col != 0 [in-progress]

As implemented in 3.17 at least NotificationView will produce inconsistent content & subject if the view is initialized with cw_row or cw_col != 0.

prioritynormal
typebug
done in<not specified>
load1.000
load left1.000
closed by<not specified>
patchRemove a misleading comment about self.render() behavior. [applied]