Prevent console errors when clicking to change page while in Presentation Mode (issue 8498) #8499
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The click handler used in Presentation Mode didn't check if the first/last page was already reached, which after PR #7529 now causes an unnecessary console error.
Hence we should simply use the already existing
_goToPreviousPage
/_goToNextPage
methods instead, since they do the necessary bounds checking.Fixes #8498.