fix 404 error on missing record

[wojtek-krysiak]

Describe the bug In typeorm adapter (maybe its related) there is a 500 error right now when trying to access missing record:

http://localhost:3000/admin/resources/Photo/records/5/show?recordIds=5

shows:

Installed libraries and their versions

• [email protected]
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Additional info

This will require to create HTTPError class, and implement this in all the plugins, because right now they don't know anything about status code and error message.