Result cache - fix restoring errors from stub files

Author: ondrejmirtes

src/Analyser/ResultCache/ResultCacheManager.php

@@ -234,7 +234,7 @@ public function restore(array $allAnalysedFiles, bool $debug, bool $onlyFiles, ?
 $filteredExportedNodes = [];
 $newFileAppeared = false;
 
-foreach ($this->getStubFiles() as $stubFile) {
+foreach (array_keys($this->getStubFiles()) as $stubFile) {
 if (!array_key_exists($stubFile, $errors)) {
 continue;
 }