Find and open workspaces from the command center (#2096)

* feat(app): add workspaces to command center

* fix(app): scale down command center typography

* fix(app): avoid workspace theme subscription

* fix(app): theme command center bottom sheet

* fix(app): tighten command center workspace results

packages/app/src/i18n/resources/en.ts

@@ -52,9 +52,10 @@ export const en = {
       close: "Close menu",
     },
     commandCenter: {
-      placeholder: "Type a command or search agents...",
+      placeholder: "Search commands, workspaces, and agents...",
       noMatches: "No matches",
       actions: "Actions",
+      workspaces: "Workspaces",
       agents: "Agents",
       newAgent: "New agent",
       openProject: "Open project",