fix(token-swap): correct ratio calculation and liquidity assertion in deposit_liquidity#567

HkSolDev wants to merge 3 commits intosolana-developers:mainsolana-developers/program-examples:mainfrom

HkSolDev:fix/token-swap-deposit-liquidityHkSolDev/program-examples:fix/token-swap-deposit-liquidityCopy head branch name to clipboard