fix(web): Provide an actionable error message on DE errors CLOUDP-313461 #6907
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Description
Matching on internal code patterns (CAPS_UNDERSCORE_WITH_COLON:) and HTTP codes 400-599 anywhere in the string. Wanted to make this more general but the Indexes page was where I saw the 403 error from filter, so followed it up to the regular-indexes modules.
error without sanitization, in console:

Motivation and Context
Open Questions
Dependents
Types of changes