Function list_identities 

pub async fn list_identities(
    __arg0: State<App>,
    tn_id: TnId,
    __arg2: IdTag,
    __arg3: Query<ListIdentitiesQuery>,
    __arg4: OptionalRequestId,
) -> ClResult<(StatusCode, Json<ApiResponse<Vec<IdentityResponse>>>)>

GET /api/idp/identities - List identities