Resolve TMSS-2525 "Front end only react upgrade"

.gitlab-ci.yml

SAS/TMSS/frontend/tmss_webapp/index.html

SAS/TMSS/frontend/tmss_webapp/package-lock.json

SAS/TMSS/frontend/tmss_webapp/package.json

SAS/TMSS/frontend/tmss_webapp/public/index.html

SAS/TMSS/frontend/tmss_webapp/src/App.css

SAS/TMSS/frontend/tmss_webapp/src/App.test.js

...TMSS/frontend/tmss_webapp/src/components/AuthComponent.js

...MSS/frontend/tmss_webapp/src/components/Calendar/index.js

...ntend/tmss_webapp/src/components/Calendar/lib/Timeline.js

...end/tmss_webapp/src/components/Calendar/lib/Timeline.scss

...mss_webapp/src/components/Calendar/lib/columns/Columns.js

...tmss_webapp/src/components/Calendar/lib/default-config.js

...p/src/components/Calendar/lib/headers/CustomDateHeader.js

...ebapp/src/components/Calendar/lib/headers/CustomHeader.js

..._webapp/src/components/Calendar/lib/headers/DateHeader.js

...app/src/components/Calendar/lib/headers/HeadersContext.js

...ss_webapp/src/components/Calendar/lib/headers/Interval.js

...bapp/src/components/Calendar/lib/headers/SidebarHeader.js

...pp/src/components/Calendar/lib/headers/TimelineHeaders.js