RepoSync with changes to commitMutation and updates to product code…

… to remove explicit type annotations and use typed `graphql` tags for mutations.

Differential Revision: D48543114

Pull Request resolved: #2277

packages/recoil-relay/RecoilRelay_graphQLMutationEffect.js

@@ -84,7 +84,7 @@ function graphQLMutationEffect<
       const mutationID = ++currentMutationID;
       const mutationVariables = variables(newValue);
       if (mutationVariables != null) {
-        commitMutation<$FlowFixMe>(environment, {
+        commitMutation(environment, {
           mutation,
           variables: mutationVariables,
           onError: error => {
@@ -100,6 +100,8 @@ function graphQLMutationEffect<
           },
           updater,
           optimisticUpdater,
+          /* $FlowFixMe[incompatible-call] error exposed when improving flow
+           * typing of commitMutation */
           optimisticResponse: optimisticResponse?.(newValue),
           uploadables,
         });