fix: PR review fixes

src/StandardGovernor.sol

@@ -17,9 +17,7 @@ import { IZeroToken } from "./interfaces/IZeroToken.sol";
 
 // TODO: Determine standard way to inform externals about which token can vote.
 
-// TODO: Expose `_proposals`?
 // TODO: Implement `QuorumNumeratorUpdated` (`quorumNumerator`, `quorumDenominator`) in the DualGovernor contract.
-// TODO: Get rid of reasons and descriptions? Possibly even the exposed functions themselves.
 // TODO: Emit an event in the Governor or Power Token when a voter has voted on all standard proposals in an epoch.
 // TODO: Consider non-standard simplified versions of governor functions.
 

src/ZeroGovernor.sol

@@ -22,16 +22,14 @@ contract ZeroGovernor is IZeroGovernor, ThresholdGovernor {
     ) ThresholdGovernor("ZeroGovernor", registrar_, voteToken_, thresholdRatio_) {
         if (allowedCashTokens_.length == 0) revert NoAllowedCashTokens();
 
+        _startingCashToken = allowedCashTokens_[0];
+
         for (uint256 index_; index_ < allowedCashTokens_.length; ++index_) {
             address allowedCashToken_ = allowedCashTokens_[index_];
 
             if (allowedCashToken_ == address(0)) revert InvalidCashTokenAddress();
 
             _allowedCashTokens[allowedCashToken_] = true;
-
-            if (index_ == 0) {
-                _startingCashToken = allowedCashToken_;
-            }
         }
     }