Show split way dialog only for high value geometries

[planemad]

The recent split way/reuse history dialog is a useful power feature, however in most cases this is not a critical decision to take for a mapper, especially if the object does not have much of a history or is trivial split at the end of a long way, in which case its safe to assume we want the history on the longer way.

Also one would need to check the history of the objects for context to make an informed decision on which way to choose rather than blindly selecting off a list. The current dialog blocks any other activity and one is forced to make a decision just to continue, resulting in a not so expert decision.

As a quick fix, i'd like to suggest showing the dialog only for ways where the object history is greater than a certain threshold:

• Object version > 5
• or Object has had two versions in the last month
• or Object has high value tags (boundary, coastline...)

This would allow triggering advanced dialogs like this for objects whose history has a high value rather than for every geometry. This hopefully forces the mapper to cancel the dialog and check the object history to make a better decision than what happens currently.

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In future, I feel the object history might need a bit of a rethinking from a high level perspective. If a boundary is split, the history of the parent is still relevant to both ways and should not result in a completely new object that has no relationship to its past. Anyway, thats something to bikeshed on elsewhere.