restore rollbackSnapshot (backport #2030)

[github-actions]

Backport of #2030

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fizes #2026

Description

restore rollbackSnapshot

TODO

• capture this in a frontend api unit test (OR raise an issue to pick this up at a later time)
• Issue raised: Ensure the "missing rollbackSnapshot function" is caught in an API test to prevent regression #2032

Related Issue(s)

#2026

Acceptance

• Test operation on staging before updating prod

Checklist

• I have read the contribution guidelines
• Suitable unit/system level tests have been added and they pass
• Issue raised: Ensure the "missing rollbackSnapshot function" is caught in an API test to prevent regression #2032
• Documentation has been updated
• Upgrade instructions
• Configuration details
• Concepts
• Changes flowforge.yml?
• Issue/PR raised on flowforge/helm to update ConfigMap Template
• Issue/PR raised on flowforge/CloudProject to update values for Staging/Production

Labels

• Backport needed? -> add the backport label
• Includes a DB migration? -> add the area:migration label