B2B-1701: Deprecate database media storage function

- Added test new changes

Author: avattam06

app/code/Magento/MediaStorage/Helper/File/Storage/Database.php

@@ -8,6 +8,7 @@
 
 use Magento\Framework\App\Filesystem\DirectoryList;
 use Magento\Framework\Filesystem;
+trigger_error('Class is deprecated', E_USER_DEPRECATED);
 
 /**
  * Database saving file helper

app/code/Magento/MediaStorage/Test/Unit/Helper/File/Storage/DatabaseTest.php

@@ -49,6 +49,7 @@ class DatabaseTest extends TestCase
 
     protected function setUp(): void
     {
+        set_error_handler(null);
         $this->dbStorageFactoryMock = $this->getMockBuilder(
             DatabaseFactory::class
         )->disableOriginalConstructor()
@@ -519,4 +520,9 @@ public function testGetMediaBaseDir()
         $this->assertEquals('media-dir', $this->helper->getMediaBaseDir());
         $this->assertEquals('media-dir', $this->helper->getMediaBaseDir());
     }
+
+    protected function tearDown(): void
+    {
+        restore_error_handler();
+    }
 }

app/code/Magento/MediaStorage/etc/adminhtml/system.xml

@@ -15,7 +15,7 @@
                     <source_model>Magento\MediaStorage\Model\Config\Source\Storage\Media\Storage</source_model>
                 </field>
                 <field id="media_database" translate="label" type="select" sortOrder="200" showInDefault="1">
-                    <label>Select Media Database (Deprecated)</label>
+                    <label>Select Media Database</label>
                     <source_model>Magento\MediaStorage\Model\Config\Source\Storage\Media\Database</source_model>
                     <backend_model>Magento\MediaStorage\Model\Config\Backend\Storage\Media\Database</backend_model>
                     <depends>