Angular Client `Content-Type` header not stripped on bodyless requests

[joshkaplinsky]

Description

In the generated @hey-api/client-angular client, the following snippet will remove the 'Content-Type' header, but does not reassign the HttpHeaders to opts.headers. Angular's HttpHeaders are immutable and .delete() returns a copy with the header removed.

openapi-ts/packages/openapi-ts/src/plugins/@hey-api/client-angular/bundle/client.ts

Lines 83 to 86 in 82e9f18

	// remove Content-Type header if body is empty to avoid sending invalid requests
	if (opts.body === undefined || opts.serializedBody === '') {
	opts.headers.delete('Content-Type');
	}

Reproducible example or configuration

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OpenAPI specification (optional)

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System information (optional)

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[pullfrog]

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