Microsoft's own Xbox CEO admitted the division lost 64 cents on every dollar it invested in studios. In a typical year. She put that in a public memo. Read her résumé and the last seven months stop looking like chaos. Asha Sharma was COO of Instacart, where she took a cash-burning delivery company through an IPO by cutting it to profitability. Before Xbox, she ran Microsoft's AI platform products. Satya put her in the seat in February, right after Phil Spencer retired following 12 years…