dApp: `Sidebar` component removal #1726

Job	Run time
solidity-slither	1m 4s
solidity-build / build-solidity	39s
solidity-deploy-dry-run	30s
solidity-test	35s
solidity-format	41s
solidity-integration-test	59s
solidity-deploy-testnet	0s
	4m 28s

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