Fix initial PDF page count showing 1 of 0#505

Rithish-2914 wants to merge 4 commits into

CodeChefVIT:stagingCodeChefVIT/papers-codechef:stagingfrom

Rithish-2914:fix/pdf-viewer-page-countRithish-2914/papers-codechef:fix/pdf-viewer-page-countCopy head branch name to clipboard