ACP2E-347 - re-added timestamp limitation method, removed only the actual limitation

Author: alzota

lib/internal/Magento/Framework/Data/Form/Element/Date.php

@@ -66,6 +66,18 @@ private function isDate(string $value): bool
         return !empty($date['year']) && !empty($date['month']) && !empty($date['day']);
     }
 
+    /**
+     * initial scope of method, but keeping the method for compatibility:
+     * If script executes on x64 system, converts large numeric values to timestamp limit
+     *
+     * @param int $value
+     * @return int
+     */
+    protected function _toTimestamp($value)
+    {
+        return $value;
+    }
+
     /**
      * Set date value
      *
@@ -84,7 +96,7 @@ public function setValue($value)
         }
         try {
             if (preg_match('/^[\-]{0,1}[0-9]+$/', $value)) {
-                $this->_value = (new \DateTime())->setTimestamp($value);
+                $this->_value = (new \DateTime())->setTimestamp($this->_toTimestamp($value));
             } elseif (is_string($value) && $this->isDate($value)) {
                 $this->_value = new \DateTime($value, new \DateTimeZone($this->localeDate->getConfigTimezone()));
             } else {