stop ignoring Wmissing-field-initializers and fix (#9912)

cmake/common/px4_base.cmake

platforms/posix/cmake/px4_impl_os.cmake

src/drivers/barometer/lps25h/lps25h.cpp

src/drivers/camera_trigger/camera_trigger.cpp

src/drivers/magnetometer/ist8310/ist8310.cpp

src/drivers/px4io/px4io.cpp

src/drivers/vmount/input_mavlink.cpp

src/drivers/vmount/output_mavlink.cpp

src/examples/uuv_example_app/uuv_example_app.cpp

src/lib/FlightTasks/tasks/FlightTask.cpp

src/lib/drivers/device/nuttx/cdev_platform.cpp

...odules/attitude_estimator_q/attitude_estimator_q_main.cpp

src/modules/commander/arm_auth.cpp

src/modules/commander/commander.cpp

src/modules/events/send_event.cpp

src/modules/logger/logger.cpp

src/modules/mavlink/mavlink_main.cpp

src/modules/mavlink/mavlink_messages.cpp

src/modules/mavlink/mavlink_receiver.cpp

src/modules/uavcan/uavcan_servers.cpp