By El Tayeb Siddig KHARTOUM, July 10 (Reuters) - In the year since the Sudanese army recaptured the capital Khartoum from a paramilitary force that had seized it at the outset of civil war in 2023, more than 2 million of the 5 millionpeople who fled their homes in the city have returned. But although the authorities promised a quick restoration of normal life after their military victory, power is still mostly out, buildings remain damaged and workers are going unpaid. Some say they have come ba