SessionStateLog no longer modifies triggerDelay after undo/redo.
SessionStateLog no longer modifies triggerDelay after undo/redo.

Change-Id: Ief77364ba17df1a390f354a74dfb48ae6dae3b73

WeaveTeam/WeaveJS,WeaveTeam/WeaveJS,WeaveTeam/WeaveJS,WeaveTeam/WeaveJS