Ability to customize monitor name on status pages

🔖 Feature description When setting up status pages, I sometimes want the monitor to show a different name than its friendly name. For example, a monitor might be called "Prod - API Health Check (us-east-1)" internally, but on the public status page I just want it to say "API". Right now there's no way to customize how a monitor's name appears on status pages without changing the friendly name itself, which affects the dashboard too. ✔️ Solution Add an optional "Status Page Display Name" text field on the monitor edit page, right after the existing Friendly Name field. When this field is set, status pages display this name instead of the friendly name. When it's empty, everything works as before — the friendly name is used. In the status page editor, the "Add a monitor" dropdown should show both names so it's clear what you're adding, e.g. Prod - API Health Check (us-east-1) (API). Behavior summary: • New opti…