Fixed datasets so an empty dataset isn't added if the create page is selected and the user navigates to a different page.
Fixed datasets so an empty dataset isn't added if the create page is selected and the user navigates to a different page.

jcu-eresearch/TDH-rich-data-capture,jcu-eresearch/TDH-rich-data-capture,jcu-eresearch/TDH-rich-data-capture,jcu-eresearch/TDH-rich-data-capture