修复 单文件发布-p:EnableCompressionInSingleFile=true 不能获取工作路径 (#29)

Fix working directory error for single exe applications

Author: fldx

src/SharpWebview/Content/HostedContent.cs

@@ -48,10 +48,9 @@ public Startup(StartupParameters startupParameters)
         public void ConfigureServices(IServiceCollection services) { }
         public void Configure(IApplicationBuilder app, IHostingEnvironment env)
         {
-            var workingDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
             var fileServerOptions = new FileServerOptions
             {
-                FileProvider = new PhysicalFileProvider(Path.Combine(workingDirectory, "app")),
+                FileProvider = new PhysicalFileProvider(Path.Combine(System.Environment.CurrentDirectory, "app")),
                 RequestPath = "",
                 EnableDirectoryBrowsing = true,
             };
@@ -65,4 +64,4 @@ public void Configure(IApplicationBuilder app, IHostingEnvironment env)
             app.UseFileServer(fileServerOptions);
         }
     }
-}
+}