Move all propTypes/defaultProps to static/class variables

frontend/src/admin/people/components/AdminPeople.react.js

frontend/src/admin/people/components/EditUserForm.react.js

...nd/src/admin/people/components/UserActionsSelect.react.js

frontend/src/admin/people/components/UserRoleSelect.react.js

frontend/src/card/components/AccordianItem.react.js

frontend/src/card/components/CardFilters.react.js

frontend/src/card/components/Cards.react.js

frontend/src/card/components/SavedQuestions.react.js

frontend/src/card/components/TableListing.react.js

frontend/src/components/CheckBox.react.js

frontend/src/components/ColumnarSelector.react.js

frontend/src/components/DashboardsDropdown.react.js

frontend/src/components/DeleteQuestionModal.react.js

frontend/src/components/Header.react.js

frontend/src/components/HistoryModal.react.js

frontend/src/components/IconBorder.react.js

frontend/src/components/LoadingAndErrorWrapper.react.js

frontend/src/components/LoadingSpinner.react.js

frontend/src/components/LogoIcon.react.js

frontend/src/components/Modal.react.js