fix: send body in api client delete method

.changeset/fix-rest-client-delete-body.md

@@ -0,0 +1,5 @@
+---
+'@rocket.chat/api-client': patch
+---
+
+Fixes `RestClient.delete` to send `params` as a request body, matching `post`/`put`. Previously the body was silently dropped, breaking DELETE endpoints that expect a body.

packages/api-client/src/index.ts

@@ -188,10 +188,21 @@ export class RestClient implements RestClientInterface {
 
 	async delete<TPathPattern extends MatchPathPattern<TPath>, TPath extends PathFor<'DELETE'>>(
 		endpoint: TPath,
-		_params?: ParamsFor<'DELETE', TPathPattern>,
-		options: Omit<RequestInit, 'method'> = {},
+		params?: ParamsFor<'DELETE', TPathPattern>,
+		{ headers, ...options }: Omit<RequestInit, 'method'> = {},
 	): Promise<Serialized<OperationResult<'DELETE', TPathPattern>>> {
-		const response = await this.send(endpoint, 'DELETE', options ?? {});
+		const isFormData = checkIfIsFormData(params);
+		const response = await this.send(endpoint, 'DELETE', {
+			...(params !== undefined && { body: isFormData ? buildFormData(params) : JSON.stringify(params) }),
+
+			headers: {
+				Accept: 'application/json',
+				...(!isFormData && { 'Content-Type': 'application/json' }),
+				...headers,
+			},
+
+			...options,
+		});
 		return response.json();
 	}