AC-14078: Improve async/bulk request performance.

Author: admanesachin

app/code/Magento/WebapiAsync/Controller/Rest/Asynchronous/InputParamsResolver.php

@@ -71,6 +71,11 @@ class InputParamsResolver
      */
     private $methodsMap;
 
+    /**
+     * @var array
+     */
+    private array $inputData = [];
+
     /**
      * Initialize dependencies.
      *
@@ -157,8 +162,14 @@ public function resolve()
      */
     public function getInputData()
     {
+        if (!empty($this->inputData)) {
+            return $this->inputData;
+        }
+
         if ($this->isBulk === false) {
-            return [$this->inputParamsResolver->getInputData()];
+            $this->inputData = [$this->inputParamsResolver->getInputData()];
+
+            return $this->inputData;
         }
         $inputData = $this->request->getRequestData();
 
@@ -168,7 +179,7 @@ public function getInputData()
             $inputData = array_merge($requestBodyParams, $inputData);
         }
 
-        return array_map(function ($singleEntityParams) {
+        $this->inputData = array_map(function ($singleEntityParams) {
             if (is_array($singleEntityParams)) {
                 $singleEntityParams = $this->filterInputData($singleEntityParams);
                 $singleEntityParams = $this->paramsOverrider->override(
@@ -179,6 +190,8 @@ public function getInputData()
 
             return $singleEntityParams;
         }, $inputData);
+
+        return $this->inputData;
     }
 
     /**