fix(render): four state-tracking fixes in the vertical virtual renderer - #4931

fix(render): four state-tracking fixes in the vertical virtual renderer#4931

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tabulator-tables:mastertabulator-tables/tabulator:masterfrom

lukecotter:fix/render-vdom-scrollheight-initlukecotter/tabulator:fix/render-vdom-scrollheight-initCopy head branch name to clipboard