Increase default segment threshold to 4
Add an optional setting to override the default value
Use this threshold to merge short branches into parent branch
* Enable cell filters
* Enable property filters
* Clean up fault collection interface and use similar setting for controlling filters as in intersection collection
* Enable cell/property filters on geomech intersections
* Enable cell and property filters for box intersections
* Implement a simple depth filter to cut all geometry below a certain level for intersections
* Add option to override all curve intersection cut depths from collection.
* Add support for showing intersection above or below threshold. Update label texts.
