Resolve "Provide import functionality via frontend for reviewers"

Closes #189 (closed)

functional_tests/test_import.py

@@ -48,6 +48,9 @@ class TestImport(LiveServerTestCase):
         self._login()
         self.browser.find_element_by_id("user-options").click()
         self.browser.find_element_by_id("import-data-list-tile").click()
+        self.browser.execute_script(
+            "document.getElementById('file-input').style.display='block';"
+        )
         file_input = self.browser.find_element_by_id("file-input")
         file_input.send_keys(JSON_EXPORT_FILE)
         self.browser.find_element_by_id("submit-import").click()