fix(chain-streams): queryPath for proof queries

symptoms:

PROOF VERIFICATION FAILURE; crashing follower (Error#1)
Error#1: Query failed with (6): no such store: store: unknown request

packages/chain-streams/src/stream-cosmjs.js

@@ -110,12 +110,12 @@ export const makeChainStream = async (leader, storeKey, options = {}) => {
     return queryClient;
   };
 
-  const queryPath = `store/${storeName}/key`;
   /**
    * @param {'queryVerified' | 'queryUnverified'} method
+   * @param queryPath
    */
   const makeQuerier =
-    method =>
+    (method, queryPath) =>
     /**
      * @param {number} [height]
      * @returns {Promise<unknown>}
@@ -140,8 +140,12 @@ export const makeChainStream = async (leader, storeKey, options = {}) => {
       }
       return result;
     };
-  const getProvenValueAtHeight = makeQuerier('queryVerified');
-  const getUnprovenValueAtHeight = makeQuerier('queryUnverified');
+
+  const getProvenValueAtHeight = makeQuerier('queryVerified', storeName);
+  const getUnprovenValueAtHeight = makeQuerier(
+    'queryUnverified',
+    `store/${storeName}/key`,
+  );
 
   // Enable the periodic fetch.
   /** @type {import('./types.js').ChainStream<T>} */