remove last extra tick from executeStreamField

requires inlining use of completePromise helper

Author: yaacovCR

src/execution/__tests__/stream-test.ts

@@ -531,11 +531,6 @@ describe('Execute: stream directive', () => {
               },
             ],
           },
-        ],
-        hasNext: true,
-      },
-      {
-        incremental: [
           {
             items: [{ name: 'Leia', id: '3' }],
             path: ['friendList', 2],

src/execution/execute.ts

@@ -1956,17 +1956,32 @@ function executeStreamField(
   if (isPromise(item)) {
     const completedItems = (async () => {
       try {
-        return [
-          await completePromise(
+        try {
+          const resolved = await item;
+          const completed = completeValue(
             exeContext,
             itemType,
             fieldNodes,
             info,
             itemPath,
-            item,
+            resolved,
             asyncPayloadRecord,
-          ),
-        ];
+          );
+          if (isPromise(completed)) {
+            return [await completed];
+          }
+          return [completed];
+        } catch (rawError) {
+          const errors = asyncPayloadRecord?.errors ?? exeContext.errors;
+          const error = locatedError(
+            rawError,
+            fieldNodes,
+            pathToArray(itemPath),
+          );
+          const handledError = handleFieldError(error, itemType, errors);
+          filterSubsequentPayloads(exeContext, itemPath, asyncPayloadRecord);
+          return [handledError];
+        }
       } catch (error) {
         asyncPayloadRecord.errors.push(error);
         filterSubsequentPayloads(exeContext, path, asyncPayloadRecord);