SC-704 Extract components into sonar-ui-common (#1714)
* SC-704 Extract icons components to sonar-ui-common
* Better typings for theme
* Use sonar-ui-common in extensions
* Extract some helpers
* Extract l10n helper to sonar-ui-common
* Extract requests helper to sonar-ui-common
* Extract part of urls helper
* Move buttons, Tooltips and ScreenPositionFixers
* Move modal related components
* Move IdentityProviderLink
* Move GenericAvatar
* Move SizeRating
* Move charts and move deps to peerDeps
* Move nav
* Move formatMeasure
* Move Rating
* Move PageActions
* Move the rest of ui components
* Move more controls components
* Include theme inside extension build
* Add missing theme context provider in extensions
* Update react to same version everywhere
* Update sonar-ui-common
* Update eslint configuration