Add impersonation feature to user management

- Introduced an ImpersonationBar component for admin users to impersonate other users, enhancing user management capabilities.
- Updated the ProfileForm to include an option for allowing impersonation, with a description for clarity.
- Modified the DashboardLayout to conditionally display the impersonation bar based on user roles and cloud settings.
- Added database schema changes to support the new impersonation feature, including a new column for allowImpersonation in the user table.
- Implemented necessary API updates to handle impersonation actions and user data retrieval.

packages/server/src/db/schema/user.ts

@@ -59,6 +59,7 @@ export const users_temp = pgTable("user_temp", {
 	logCleanupCron: text("logCleanupCron"),
 	// Metrics
 	enablePaidFeatures: boolean("enablePaidFeatures").notNull().default(false),
+	allowImpersonation: boolean("allowImpersonation").notNull().default(false),
 	metricsConfig: jsonb("metricsConfig")
 		.$type<{
 			server: {