Process unrolled foreach iteration body in original context to let nested loops stabilize

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: ondrejmirtes

src/Analyser/NodeScopeResolver.php

@@ -3986,7 +3986,7 @@ private function tryProcessUnrolledConstantArrayForeach(
 					$iterScope,
 					$iterStorage,
 					new NoopNodeCallback(),
-					$context->enterDeep(),
+					$context,
 				)->filterOutLoopExitPoints();
 
 				$iterEndScope = $bodyResult->getScope();

tests/PHPStan/Analyser/nsrt/bug-14489.php

@@ -23,7 +23,7 @@ function () {
 	}
 
 	$values = array_values($cData);
-	assertType('list{0?: array{1}|array{4}, 1?: array{1}|array{4}}', $values);
+	assertType('array{array{1}, array{4}}', $values);
 };
 
 function () {

tests/PHPStan/Analyser/nsrt/bug-14543.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types = 1);
+
+namespace Bug14543;
+
+use function PHPStan\Testing\assertType;
+
+/**
+ * @return non-empty-list<int>
+ */
+function getItems(): array
+{
+	return [1, 2, 3];
+}
+
+$result = [];
+
+foreach (['a', 'b'] as $key) {
+	foreach (getItems() as $i) {
+		$result[] = $i;
+	}
+}
+
+
+assertType('non-empty-list<int>', $result);