Fix the issues of doctypes having 0 as a doctype#1031

dhanur-sharma merged 9 commits intodevNASA-IMPACT/COSMOS:devfrom

1030-resolve-0-value-document-type-in-nasa_scienceNASA-IMPACT/COSMOS:1030-resolve-0-value-document-type-in-nasa_scienceCopy head branch name to clipboard