feature(dashboard,api): add timezone support

* feat(dashboard): add support for today, yesterday etc (timezones)

* fix(db): escape js dates

* fix(dashboard): ensure we support default timezone

* final fixes

* remove complete series and add sql with fill instead

packages/db/prisma/migrations/20250518190347_add_timezone/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "organizations" ADD COLUMN     "timezone" TEXT;