More rebranding changes (#159)

* Replace Maybe for Sure in select code areas

* Make sure passwords are consistent

* Remove (admin|member) from demo data first name

* Database and schema names finally to `sure`

* Fix broken test

* Another (benchmarking) database name to `sure_*`

* More rebranding to Sure

* Missed this Maybe mention in the same page

* Random nitpicks and more Maybes

* Demo data accounts and more Maybes

* Test data account updates

* Impersonation test accounts

* Consistency with `compose.example.yml`

test/components/previews/dialog_component_preview.rb

@@ -5,7 +5,7 @@ class DialogComponentPreview < ViewComponent::Preview
       dialog.with_header(title: "Sample modal title")
 
       dialog.with_body do
-        "Welcome to Maybe!  This is some test modal content."
+        "Welcome to Sure!  This is some test modal content."
       end
 
       dialog.with_action(cancel_action: true, text: "Cancel", variant: "outline")