fix: various type issues and error handlings (#2831)

* fix(error):Fix a few error conditions, mostly around seriesNumber

* apply few fixes

platform/ui/src/components/StudyBrowser/StudyBrowser.tsx

@@ -4,6 +4,7 @@ import classnames from 'classnames';
 import { useTranslation } from 'react-i18next';
 
 import { ButtonGroup, Button, StudyItem, ThumbnailList } from '../';
+import { StringNumber } from '../../Types';
 
 const buttonClasses = 'text-white text-base border-none bg-black p-2 min-w-18';
 const activeButtonClasses = 'bg-primary-main';
@@ -140,7 +141,7 @@ StudyBrowser.propTypes = {
               imageSrc: PropTypes.string,
               imageAltText: PropTypes.string,
               seriesDate: PropTypes.string,
-              seriesNumber: PropTypes.string,
+              seriesNumber: StringNumber,
               numInstances: PropTypes.number,
               description: PropTypes.string,
               componentType: PropTypes.oneOf([