Fix #30073 - refactor nested if

Author: Bartlomiejsz

app/code/Magento/Swatches/Model/Plugin/EavAttribute.php

@@ -223,13 +223,16 @@ protected function processSwatchOptions(Attribute $attribute)
      */
     protected function prepareOptionIds(array $optionsArray)
     {
-        if (isset($optionsArray['value']) && is_array($optionsArray['value'])) {
-            foreach (array_keys($optionsArray['value']) as $optionId) {
-                if (isset($optionsArray['delete'][$optionId]) && $optionsArray['delete'][$optionId] == 1) {
-                    unset($optionsArray['value'][$optionId]);
-                }
+        if (!is_array($optionsArray['value'] ?? null)) {
+            return $optionsArray;
+        }
+
+        foreach (array_keys($optionsArray['value']) as $optionId) {
+            if (isset($optionsArray['delete'][$optionId]) && (int)$optionsArray['delete'][$optionId] === 1) {
+                unset($optionsArray['value'][$optionId]);
             }
         }
+
         return $optionsArray;
     }