Validate the active, candidate, and neighbor count fields in qcdm_cmd_pilot_sets_result() before parsing the sets. Ensure that the sum of counts does not exceed the size of the static sets array in the response structure, and that the calculated size based on the counts fits within the received buffer len. https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/work_items/1069 Signed-off-by: Aleksander Morgado <aleksandermj@google.com>