Make GlobalCache facade not cached. Even though it wasn't causing issues

in our existing tests, it likely was flaky, and making it not $cached
makes it now consistent with global_cache() - always getting a new
CacheManager from the globalCache container binding

src/Facades/GlobalCache.php

@@ -8,6 +8,9 @@ use Illuminate\Support\Facades\Cache;
 
 class GlobalCache extends Cache
 {
+    /** Make sure this works identically to global_cache() */
+    protected static $cached = false;
+
     protected static function getFacadeAccessor()
     {
         return 'globalCache';

src/TenancyServiceProvider.php

@@ -83,7 +83,6 @@ class TenancyServiceProvider extends ServiceProvider
             return new Commands\Seed($app['db']);
         });
 
-        // todo0 check how the caching in the facade affects our logic here
         // todo0 check what happens if globalCache is injected - it may be
         //       problematic if it's injected before adjustCacheManagerUsing
         //       was used

tests/GlobalCacheTest.php

@@ -68,6 +68,14 @@ test('global cache manager stores data in global cache', function (string $boots
     CacheTenancyBootstrapper::class,
 ]);
 
+test('global cache facade is not persistent', function () {
+    $oldId = spl_object_id(GlobalCache::getFacadeRoot());
+
+    $_ = new class {};
+
+    expect(spl_object_id(GlobalCache::getFacadeRoot()))->not()->toBe($oldId);
+});
+
 test('global cache is always central', function (string $store, array $bootstrappers, string $initialCentralCall) {
     config([
         'cache.default' => $store,
@@ -130,7 +138,6 @@ test('global cache is always central', function (string $store, array $bootstrap
         expect(global_cache('central-facade'))->toBe(true);
         expect(GlobalCache::get('central-facade'))->toBe(true);
     }
-
 })->with([
     ['redis', [CacheTagsBootstrapper::class]],
     ['redis', [CacheTenancyBootstrapper::class]],