feat: Custom accent color (#4897)

* types

* Working, but messy

* Add InputColor component

* types

* Show default theme values when not customized

* Support custom theme on team sign-in page

* Payload validation

* Custom theme on shared documents

* Improve theme validation

* Team -> Workspace in settings

server/commands/teamUpdater.ts

@@ -107,7 +107,7 @@ const teamUpdater = async ({ params, user, team, ip }: TeamUpdaterProps) => {
   if (preferences) {
     for (const value of Object.values(TeamPreference)) {
       if (has(preferences, value)) {
-        team.setPreference(value, Boolean(preferences[value]));
+        team.setPreference(value, preferences[value]);
       }
     }
   }