update: minor upates on shape selection

app/lib/widgets/main_layout.dart

server/ModelFromNVE/logs/icemodelling_2024-05-10.log

server/map_handler/__pycache__/add_new_lake.cpython-311.pyc

...p_handler/__pycache__/update_measurements.cpython-311.pyc

server/map_handler/add_new_lake.py

server/map_handler/lake_relations/mjøsa_lidar_data.json

server/map_handler/lake_relations/mjøsa_measurements.json

server/map_handler/update_measurements.py