Fix non-facade classes will result in no autocomplete (#841)

* Filter out non-facade base classes

* Remove Model as it is already skipped because it's not a facade

resources/views/helper.php

@@ -23,9 +23,6 @@
  */
 
 <?php foreach ($namespaces_by_extends_ns as $namespace => $aliases) : ?>
-    <?php if ($namespace == '\Illuminate\Database\Eloquent') :
-        continue;
-    endif; ?>
 namespace <?= $namespace == '__root' ? '' : trim($namespace, '\\') ?> {
     <?php foreach ($aliases as $alias) : ?>
         <?= trim($alias->getDocComment('    ')) ?>

src/Generator.php

@@ -13,6 +13,7 @@ namespace Barryvdh\LaravelIdeHelper;
 
 use Illuminate\Foundation\AliasLoader;
 use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\Facade;
 use Illuminate\Support\Str;
 use Illuminate\Support\Traits\Macroable;
 use ReflectionClass;
@@ -175,7 +176,9 @@ class Generator
      */
     protected function getAliasesByExtendsNamespace()
     {
-        $aliases = $this->getValidAliases();
+        $aliases = $this->getValidAliases()->filter(static function (Alias $alias) {
+            return is_subclass_of($alias->getExtends(), Facade::class);
+        });
 
         $this->addMacroableClasses($aliases);