Fix FileVisitor issues with wrong class detection

It seems the php parser is using phpdocs and deciding that something like /** * @return array<int, string|int> */ is a class with FQCN `My\Namespace\array<int, string|int>` which then ofc fails to create a FullyQualifiedClassName.

Author: hgraca

src/Analyzer/FileVisitor.php

@@ -228,6 +228,10 @@ private function handleTypedProperty(Node $node): void
  return;
  }
 
+ if (!class_exists($type->toString())) {
+ return;
+ }
+
  try {
  $this->classDescriptionBuilder
  ->addDependency(new ClassDependency($type->toString(), $node->getLine()));
@@ -288,7 +292,7 @@ private function handleReturnTypeDependency(Node $node): void
  {
  if ($node instanceof Node\Stmt\ClassMethod) {
  $returnType = $node->returnType;
- if ($returnType instanceof Node\Name\FullyQualified) {
+ if ($returnType instanceof Node\Name\FullyQualified && class_exists($returnType->toString())) {
  $this->classDescriptionBuilder
  ->addDependency(new ClassDependency($returnType->toString(), $returnType->getLine()));
  }
@@ -300,9 +304,9 @@ private function handleAttributeNode(Node $node): void
  if ($node instanceof Node\Attribute) {
  $nodeName = $node->name;
 
- if ($nodeName instanceof Node\Name\FullyQualified) {
+ if ($nodeName instanceof Node\Name\FullyQualified && class_exists($nodeName->toString())) {
  $this->classDescriptionBuilder
- ->addAttribute($node->name->toString(), $node->getLine());
+ ->addAttribute($nodeName->toString(), $node->getLine());
  }
  }
  }
@@ -337,6 +341,10 @@ private function addParamDependency(Node\Param $node): void
  return;
  }
 
+ if (!class_exists($type->toString())) {
+ return;
+ }
+
  $this->classDescriptionBuilder
  ->addDependency(new ClassDependency($type->toString(), $node->getLine()));
  }