Unable to restore pages from archive with ElementalArea extension applied

[TheSceneman]

Module version(s) affected

2.3.0

Description

When clicking the "restore draft" button on an archived page, the webpage gets stuck on the Silverstripe CMS logo spinner. The console output is a breaking javascript error: Cannot read properties of undefined (reading 'elemental-area-id')

How to reproduce

Archive a page with an elemental area.
Go to archive admin.
Open archived page.
Click restore draft.

Possible Solution

@GuySartorelli has a fix for this

Additional Context

No response

Validations

• Check that there isn't already an issue that reports the same bug
• Double check that your reproduction steps work in a fresh installation of silverstripe/installer (with any code examples you've provided)

PRs

• FIX Don't try to save blocks in a readonly elemental area silverstripe-elemental#1292

[emteknetnz]

Linked PR has been merged, a patch released will automatically tagged shortly