Use front end URI instead of API

src/util/connections/Connection.ts

@@ -43,7 +43,7 @@ export abstract class Connection {
 	 */
 	getRedirectUri() {
 		const endpointPublic =
-			Config.get().api.endpointPublic ?? "http://localhost:3001";
+			Config.get().general.frontPage ?? "http://localhost:3001";
 		return `${endpointPublic}/connections/${this.id}/callback`;
 	}