revert FragmentReference

Author: renanmav

src/TypeScriptGenerator.ts

@@ -428,7 +428,7 @@ function createVisitor(
           state.runtimeImports.add("ConnectionReference");
         }
         if (refetchableFragmentName !== null) {
-          state.runtimeImports.add("FragmentRefs");
+          state.runtimeImports.add("FragmentReference");
         }
         const nodes = [];
         if (state.runtimeImports.size) {

test/__snapshots__/TypeScriptGenerator-test.ts.snap

@@ -1535,7 +1535,7 @@ export type RefetchableFragment$key = {
 
 
 // RefetchableFragmentQuery.graphql
-import { FragmentRefs } from "relay-runtime";
+import { FragmentReference } from "relay-runtime";
 import { FragmentRefs } from "relay-runtime";
 export type RefetchableFragmentQueryVariables = {
     id: string;