fix: NaN rows in dataframe output renderer#156

saltenasl merged 3 commits intomaindeepnote/vscode-deepnote:mainfrom

lukas/grn-5007-the-number-of-rows-are-not-displayed-correctly-in-the-datadeepnote/vscode-deepnote:lukas/grn-5007-the-number-of-rows-are-not-displayed-correctly-in-the-dataCopy head branch name to clipboard