V16: API error interceptor should return early if it will not execute

[iOvergaard]

Description

• Removes export of "notifications" from "resources" to resolve leftover circular reference, which happened when moving files around
• Returns even earlier in the error interceptor

[Copilot]

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

Comments suppressed due to low confidence (1)

src/Umbraco.Web.UI.Client/src/packages/core/resources/api-interceptor.controller.ts:52

• Consider wrapping the JSON parsing in a try-catch block to handle potential parsing errors gracefully.

const error = await origResponse.json();