Prevent date/time from flickering while ML menu is active
Created originally on Bitbucket by Maqs
Was already merged in Bitbucket before import, marked as merged by the import user
Source changeset not longer availableat the time of import. Commit listwill look empty
Calls CancelDateTimer (or StopDateTimer for 7D) to prevent refreshing the date/time displayed in the canon menu under the ML menu, therefore avoiding date/time flickering.
Note: this does not disable the clock itself, but the timer used to update it in the menu.