fix(subgraph): get the disputekit id from the round instead of hardcoding it to 1

Author: kemuru

subgraph/core/schema.graphql

@@ -80,13 +80,13 @@ type User @entity {
   totalResolvedDisputes: BigInt!
   totalDisputes: BigInt!
   totalAppealingDisputes: BigInt!
+  totalCoherentVotes: BigInt!
+  totalResolvedVotes: BigInt!
+  coherenceScore: BigInt!
   votes: [Vote!]! @derivedFrom(field: "juror")
   contributions: [Contribution!]! @derivedFrom(field: "contributor")
   evidences: [Evidence!]! @derivedFrom(field: "sender")
   penalties: [Penalty!]! @derivedFrom(field: "juror")
-  totalCoherentVotes: BigInt!
-  totalResolvedVotes: BigInt!
-  coherenceScore: BigInt!
 }
 
 type Penalty @entity {

subgraph/core/src/KlerosCore.ts

@@ -137,8 +137,8 @@ export function handleNewPeriod(event: NewPeriod): void {
         const draw = Draw.load(draws[j].id);
         if (!draw) continue;
 
-        // This will only work for Classic DisputeKit ("1-").
-        const vote = ClassicVote.load(`1-${draw.id}`);
+        // Since this is a ClassicVote entity, this will only work for the Classic DisputeKit (which has ID "1").
+        const vote = ClassicVote.load(`${round.disputeKit}-${draw.id}`);
 
         if (!vote) continue;