Fix static modifier names

[wvpm]

#384 refactored static modifiers and causes runtime parsing issues.

[ERROR] NodeTools.hpp(282): Duplicate expected dictionary key: base_values
[WARNING] ModifierManager.cpp(781): This modifier does nothing: import_cost
[ERROR] NodeTools.hpp(130): Invalid dictionary key: second_power
[ERROR] NodeTools.cpp(345): Callback failed for assign node with key: second_power
[ERROR] NodeTools.hpp(324): Mandatory dictionary key not present: secondary_power
[ERROR] Dataloader.cpp(1087): Failed to load static modifiers!