Withdrawal with zero amount is possible
When creating a withdrawal request, the amount of tokens to withdraw is passed as a parameter:\\n```\\nfunction requestWithdrawal(uint256 \\_tokensToWithdraw) external override {\\n```\\n\\nThe problem is that this parameter can be zero, and the function will be successfully executed. Moreover, this request can then be added to the queue, and the actual withdrawal will also be executed with zero value. Addresses that never added any liquidity could spam the system with these requests.
Do not allow withdrawals of zero tokens.
```\\nfunction requestWithdrawal(uint256 \\_tokensToWithdraw) external override {\\n```\\n