Fix risk measure choices in SDK

[montezdesousa]

d = {
            "SECTOR": {
                "AAPL": "INFORMATION TECHNOLOGY",
                "MSFT": "INFORMATION TECHNOLOGY",
                "AMZN": "CONSUMER DISCRETIONARY",
            },
            "CURRENT_INVESTED_AMOUNT": {
                "AAPL": "100000.0",
                "MSFT": "200000.0",
                "AMZN": "300000.0",
            },
            "CURRENCY": {
                "AAPL": "USD",
                "MSFT": "USD",
                "AMZN": "USD",
            },
        }
p = openbb.portfolio.po.load(symbols_categories=d)
weights, performance = openbb.portfolio.po.equal(portfolio_engine=p)

openbb.portfolio.po.hrp(p, risk_measure='CVaR')
openbb.portfolio.po.hrp(p, risk_measure='cvar')
openbb.portfolio.po.hrp(p, risk_measure='abcd')

openbb.portfolio.po.ef_chart(p, risk_measure='CVaR')
openbb.portfolio.po.ef(p, risk_measure='CVaR')

openbb.portfolio.po.herc(p, risk_measure='CVaR')
openbb.portfolio.po.nco(p, risk_measure='CVaR')

[andrewkenreich]

nice :)