Add modify_position extrinsic, fix active ticks management#1613

ales-otf merged 3 commits intofeat/uniswapv3-lpopentensor/subtensor:feat/uniswapv3-lpfrom

feat/uniswapv3-lp-cleanupopentensor/subtensor:feat/uniswapv3-lp-cleanupCopy head branch name to clipboard