feat: Add Chat Trigger node (#7409)

Signed-off-by: Oleg Ivaniv <me@olegivaniv.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>
Co-authored-by: Jesper Bylund <mail@jesperbylund.com>
Co-authored-by: OlegIvaniv <me@olegivaniv.com>
Co-authored-by: Deborah <deborah@starfallprojects.co.uk>
Co-authored-by: Jan Oberhauser <janober@users.noreply.github.com>
Co-authored-by: Jon <jonathan.bennetts@gmail.com>
Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>
Co-authored-by: Michael Kret <88898367+michael-radency@users.noreply.github.com>
Co-authored-by: Giulio Andreini <andreini@netseven.it>
Co-authored-by: Mason Geloso <Mason.geloso@gmail.com>
Co-authored-by: Mason Geloso <hone@Masons-Mac-mini.local>
Co-authored-by: Mutasem Aldmour <mutasem@n8n.io>

packages/@n8n/chat/src/api/generic.ts

@@ -10,6 +10,7 @@ export async function authenticatedFetch<T>(...args: Parameters<typeof fetch>):
 		mode: 'cors',
 		cache: 'no-cache',
 		headers: {
+			'Content-Type': 'application/json',
 			...(accessToken ? { authorization: `Bearer ${accessToken}` } : {}),
 			...args[1]?.headers,
 		},
@@ -18,14 +19,12 @@ export async function authenticatedFetch<T>(...args: Parameters<typeof fetch>):
 	return (await response.json()) as Promise<T>;
 }
 
-export async function get<T>(
-	url: string,
-	query: Record<string, string> = {},
-	options: RequestInit = {},
-) {
+export async function get<T>(url: string, query: object = {}, options: RequestInit = {}) {
 	let resolvedUrl = url;
 	if (Object.keys(query).length > 0) {
-		resolvedUrl = `${resolvedUrl}?${new URLSearchParams(query).toString()}`;
+		resolvedUrl = `${resolvedUrl}?${new URLSearchParams(
+			query as Record<string, string>,
+		).toString()}`;
 	}
 
 	return authenticatedFetch<T>(resolvedUrl, { ...options, method: 'GET' });