Add descriptive error for patching entity details

[kmcginnes]

Description

Adds a friendly error message when patching entity details fails.

• Added custom error type
• Updated getDisplayError to render message

Validation

Related Issues

• Part of [Bug] SPARQL editor describe fails in some cases #1228

Check List

• I confirm that my contribution is made under the terms of the Apache 2.0
  license.
• I have run pnpm checks to ensure code compiles and meets standards.
• I have run pnpm test to check if all tests are passing.
• I have covered new added functionality with unit tests if necessary.
• I have added an entry in the Changelog.md.