fix(dhedge-v2): Early return if position has been unstaked (#3134)

src/apps/dhedge-v2/common/dhedge-v2.staking.contract-position-fetcher.ts

@@ -120,7 +120,7 @@ export abstract class DhedgeV2StakingContractPositionFetcher extends CustomContr
         const matchingPosition = contractPositions.find(x =>
           x.tokens.find(x => x.address == lpTokenAddress.toLowerCase()),
         );
-        if (!matchingPosition) return null;
+        if (!matchingPosition || suppliedBalances[6] == true) return null;
 
         const suppliedDht = suppliedBalances[0];
         const suppliedLp = suppliedBalances[3];