(Reuters) – Russia’s top lender Sberbank is developing fully domestic cloud infrastructure, it said on Friday, after reporting issues with some ‘smart home’ device functionality due to problems with its foreign cloud partner. The state-owned lender, which fell under Western sanctions imposed over Russia’s actions in Ukraine, has been developing its non-financial businesses, including technology and cloud services, in an attempt to combat the industry-wide trend of shrinking margins. Despite public assurances that sanctions were having a limited effect on its operations, the bank started report…