clean up the api schemas and frontend interfaces

compendium_v2/routes/budget.py

compendium_v2/routes/charging.py

compendium_v2/routes/ec_projects.py

compendium_v2/routes/funding.py

compendium_v2/routes/organization.py

compendium_v2/routes/policy.py

compendium_v2/routes/staff.py

webapp/src/Schema.tsx

webapp/src/helpers/dataconversion.tsx

webapp/src/pages/ChargingStructure.tsx

webapp/src/pages/DataAnalysis.tsx

webapp/src/pages/FundingSource.tsx