fixup: appease eslint (gene queries)

Author: phildarnowsky-broad

graphql-api/src/queries/gene-queries.ts

@@ -141,8 +141,8 @@ const searchMultipleIndices = async (
 }
 
 const mergeHitsById = (hits: SearchHit[]): SearchHit[] => {
-  let ids: string[] = []
-  let idsToHits: Record<string, any> = {}
+  const ids: string[] = []
+  const idsToHits: Record<string, any> = {}
   hits.forEach((hit) => {
     if (idsToHits[hit._id] === undefined) {
       ids.push(hit._id)
@@ -153,8 +153,8 @@ const mergeHitsById = (hits: SearchHit[]): SearchHit[] => {
 }
 
 const mergeResponsesById = (responses: SearchResponse[]) => {
-  let ids: string[] = []
-  let idsToDocs: Record<string, any> = {}
+  const ids: string[] = []
+  const idsToDocs: Record<string, any> = {}
   responses.forEach((response) =>
     response.body.hits.hits.forEach((hit) => {
       if (idsToDocs[hit._id] === undefined) {