In the long-term malicious addresses can keep reserving one big period or multiple small ones. By triggering execute.rs#setreservationforlongterm(), the attacker will only lose the gas fee
because the logic doesnt for users to deposit funds first in order to reserve for long-term rent.
https://github.com/code-423n4/2024-10-coded-estate/blob/main/contracts/codedestate/src/execute.rs#L1341-L1432
