Calculate `animal_energy_units` using `ag_ha`
Calculate `animal_energy_units` using `ag_ha`

- replace `totalha` -> `ag_ha` in MapShed `animal_energy_units` method

kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed,kdeloach/model-my-watershed,project-icp/bee-pollinator-app,kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,project-icp/bee-pollinator-app,WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed,project-icp/bee-pollinator-app,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed,project-icp/bee-pollinator-app