Add missing jsdocs (#4206)

hypha/static_src/javascript/batch-actions.js

hypha/static_src/javascript/behaviours/review-score.js

hypha/static_src/javascript/document-category.js

hypha/static_src/javascript/file-uploads.js

hypha/static_src/javascript/past-reports-pagination.js

hypha/static_src/javascript/review-form-actions.js

hypha/static_src/javascript/submission-filters.js

hypha/static_src/javascript/submission-form-copy.js

hypha/static_src/javascript/tinymce-word-count.js

hypha/static_src/javascript/toggle-payment-block.js