Rider static analysis (#433)

* Non-accessed local variable

* Merge cast and type checks.

* StringComparison.Ordinal added for better culture support

* Supposed code improvement in launcher. Remove unused code.

* Update ExplosionHelper.cs

Unintentional change.

* Optimized Import

* Add Robust.Shared.Utility import where it was deleted

* Other random suggestion

* Improve my comment

Content.Shared/GameObjects/Components/Storage/SharedStorageComponent.cs

@@ -1,7 +1,7 @@
-using Robust.Shared.GameObjects;
-using Robust.Shared.Serialization;
-using System;
+using System;
 using System.Collections.Generic;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization;
 
 namespace Content.Shared.GameObjects.Components.Storage
 {