fix typo with fragment variable values (graphql#4239)

Author: yaacovCR

src/execution/values.ts

@@ -219,7 +219,7 @@ export function experimentalGetArgumentValues(
   node: FieldNode | DirectiveNode | FragmentSpreadNode,
   argDefs: ReadonlyArray<GraphQLArgument | GraphQLVariableSignature>,
   variableValues: Maybe<VariableValues>,
-  fragmentVariablesValues?: Maybe<VariableValues>,
+  fragmentVariableValues?: Maybe<VariableValues>,
   hideSuggestions?: Maybe<boolean>,
 ): { [argument: string]: unknown } {
   const coercedValues: { [argument: string]: unknown } = {};
@@ -254,10 +254,8 @@ export function experimentalGetArgumentValues(
 
     if (valueNode.kind === Kind.VARIABLE) {
       const variableName = valueNode.name.value;
-      const scopedVariableValues = fragmentVariablesValues?.sources[
-        variableName
-      ]
-        ? fragmentVariablesValues
+      const scopedVariableValues = fragmentVariableValues?.sources[variableName]
+        ? fragmentVariableValues
         : variableValues;
       if (
         scopedVariableValues == null ||
@@ -293,7 +291,7 @@ export function experimentalGetArgumentValues(
       valueNode,
       argType,
       variableValues,
-      fragmentVariablesValues,
+      fragmentVariableValues,
       hideSuggestions,
     );
     if (coercedValue === undefined) {