Fixed most mui4 migration layout issues and warnings.

gui/package.json

gui/src/components/About.js

gui/src/components/ApiDialogButton.js

gui/src/components/App.js

gui/src/components/DataTable.js

gui/src/components/DatasetPage.js

gui/src/components/EditUserMetadataDialog.js

gui/src/components/FAQ.js

gui/src/components/LoginLogout.js

gui/src/components/Markdown.js

gui/src/components/Quantity.js

gui/src/components/api.js

gui/src/components/dataset/ResolveDOI.js

gui/src/components/dft/DFTVisualizations.js

gui/src/components/ems/EMSEntryCards.js

gui/src/components/ems/EMSVisualizations.js

gui/src/components/entry/ArchiveEntryView.js

gui/src/components/entry/ArchiveLogView.js

gui/src/components/entry/EntryPage.js

gui/src/components/entry/EntryQuery.js