Migrate fully to emotion based styling

[brudil]

CSS modules are a bit of a pain with Typescript. Emotion seems really nice, and this is a fun way to explore css-in-js for the first time.

components:

• AuthorsSelector
• BigStats
• Button
• CharCount
• ContentCard
• ContentStageTimeline
• ContentWatchManager
• DebouncedAutosizeTextarea
• DebouncedInput
• DocumentTitle.js
• DumbGravatar.tsx
• Editor
• FauxLink
• GlobalHeader
• Image
• ImagePop
• InputAdd.tsx
• InteractiveSelector
• InteractivesSelectModal.js
• JetpathLogo
• LoadableLoading
• LoadingContent
• LowkeyDeleteButton
• MediaDisplay
• MediaEditForm.tsx
• MediaEditModal
• MediaGrid
• MediaGridContainer
• MediaInput
• MediaSelectModal.tsx
• MediaUpload.css
• MediaUpload.css.d.ts
• MediaUploadContainer.js
• Modal
• NoListItems
• NotificationBell
• PaginationNav
• SaveBeforeWorkflowMessage
• SectionEditForm.tsx
• SectionSelector
• SegmentedControl
• Sidebar
• SlugInput.tsx
• SmartDate.tsx
• Spectrum
• Stonewall
• TitleSelection
• Toasts
• TopicEditForm.js
• TopicsSelector
• UserAvatar
• UserListItem
• UserMenu
• UserPicker
• UserSelector
• ViewContainer
• WorksList
• icons
• withApollo.tsx

views

• Login
• VerticalSelectionPage
• MediaList