Implement create total weight limit in backend
Remove extra offset when splitting one way speed limits
Merge pull request #356 from finnishtransportagency/implement_create_total_weight_limit_in_backend

Implement create total weight limit in backend
Merge pull request #357 from finnishtransportagency/remove_extra_offset_when_splitting_one_way_speed_limits

Remove extra offset when splitting one way speed limits
Select road link from road layer when total weight limit layer is active
Adjust empty road link widths by zoom level on total weight limit layer
Maintain road link selection in total weight limit layer when zooming and panning map
Show total weight limit form for selected unexisting limit
Refactor and use isNew function to check that a total weight limit does not exist
Do not update collection when editing new total weight limit
Remove unrequired event handler
Visualise modifications of new total weight limit on map