feat(orioledb): rename orioledb from Public Alpha to Public Beta in dashboard (#50975)

## Problem

We need to rename orioledb in Dashboard.

## Solution

- Update Studio copy/badges referencing OrioleDB from "Public Alpha" to
"Public Beta" (project creation advanced config, restore-to-new-project,
PITR empty state)
- Remove the scheduled-backups block that hid backups for OrioleDB
projects — OrioleDB now has WAL-G scheduled backups in beta, so that
page should behave normally. PITR keeps its existing guard since PITR is
not yet supported for OrioleDB.
- Update the `useOrioleDb` telemetry property doc-comment to reflect the
beta status
- Update project-creation wizard test expectations/fixtures accordingly
(`release_channel: 'beta'`)

Marketing (`apps/www`) and docs (`apps/docs`) references to OrioleDB
alpha status are being updated separately.

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## Checklist

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- [x] I have read
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
- [x] If I wrote a new docs topic or edited an existing topic, I used
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<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Updates**
* OrioleDB is now labeled as being in public beta rather than public
alpha, and project creation selects the beta release channel.
* Restore-to-new-project and Point-in-Time Recovery notices clarify that
these features are unavailable for OrioleDB projects.
* OrioleDB projects now follow the standard eligibility checks and page
flow for scheduled backups.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

apps/studio/components/interfaces/Database/RestoreToNewProject/RestoreToNewProject.tsx

@@ -130,7 +130,7 @@ export const RestoreToNewProject = () => {
       <Admonition
         type="default"
         title="Restoring to new projects are not available for OrioleDB"
-        description="OrioleDB is currently in public alpha and projects created are strictly ephemeral with no database backups"
+        description="OrioleDB is currently in public beta and restoring to a new project is unavailable on OrioleDB projects"
       />
     )
   }

apps/studio/components/interfaces/ProjectCreation/AdvancedConfiguration.tsx

@@ -77,7 +77,7 @@ export const AdvancedConfiguration = ({ form }: AdvancedConfigurationProps) => {
                               label={
                                 <>
                                   Postgres with OrioleDB
-                                  <Badge variant="warning">Alpha</Badge>
+                                  <Badge variant="warning">Beta</Badge>
                                 </>
                               }
                               description="Not recommended for production workloads"
@@ -104,7 +104,7 @@ export const AdvancedConfiguration = ({ form }: AdvancedConfigurationProps) => {
                     type="warning"
                     className="rounded-t-none [&>div]:text-xs"
                     title="OrioleDB is not production ready"
-                    description="Postgres with OrioleDB extension is currently in Public Alpha and not recommended for production usage yet."
+                    description="Postgres with OrioleDB extension is currently in Public Beta and not recommended for production usage yet."
                   >
                     <DocsButton className="mt-2" href={`${DOCS_URL}/guides/database/orioledb`} />
                   </Admonition>