gatt_client: move ready check into gatt_client_provide_context_for_request

gatt_client: add missing default

gatt_client: return success in gatt_client_classic_connect

gatt_client: fix send over unenhanced le bearer, regression from 1aa9e3e8

gatt_client: fix write without response, regression from 0038504

src: suppress false positives for cppcheck 2.10

gatt_client: reduce number of return statements

gatt_client: extract gatt_client_run_for_client_start_signed_write, simplify logic

gatt_client: extract code to handle att read response, read by type and write response

gatt_client: fix build

gatt_client: handle l2cap disconnect

gatt_client: handle att response over l2cap

gatt_client: handle l2cap mtu

gatt_client: add run for client over br/edr

gatt_client: query sdp for att service, create l2cap connection

gatt_client: extract gatt_client_handle_att_response

gatt_client: pass gatt_client to report notification/indications

gatt_client: tunnel all sends through gatt_client_send

gatt_client: fix gatt_client_notify_can_send_query

gatt_client: add gatt_client_request_to_send_gatt_query

gatt_client: add gatt_client_request_to_write_without_response

gatt_client: return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER for invalid connection handle

ble/gatt_client: get GATT client for testing

ble/gatt_client: use bool instead of int in internal function

gatt_client: fix warnings