Update config file logic and unify webDir path to wwwroot

- Prevent overwriting existing config files by only copying example files if the target does not exist.
- Set webDir to "wwwroot" for all OSes for consistency.
- Update last used publish profile to SelfContained-Win-x64.

Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs

@@ -338,7 +338,7 @@ namespace Emby.Server.Implementations.AppBase
                 }
 
                 // Copy example to actual file only if example was just created or if we want to initialize from example
-                if (exampleFileJustCreated)
+                if (exampleFileJustCreated && !File.Exists(path))
                 {
                     File.Copy(examplePath, path, overwrite: false);
                     Logger.LogInformation("Created configuration file from example: {Path}", path);

Jellyfin.Server/Helpers/StartupHelpers.cs

@@ -138,7 +138,7 @@ public static class StartupHelpers
                 cacheDir = "C:/ProgramData/jellyfin/cache";
                 logDir = "C:/ProgramData/jellyfin/log";
                 tempDir = Path.Combine(Path.GetTempPath(), "jellyfin");
-                webDir = "C:/ProgramData/jellyfin/wwwroot";
+                webDir = "wwwroot";
                 osComment = "Windows defaults - using C:/ProgramData/jellyfin";
             }
             else if (OperatingSystem.IsLinux())
@@ -149,7 +149,7 @@ public static class StartupHelpers
                 cacheDir = "/var/cache/jellyfin";
                 logDir = "/var/log/jellyfin";
                 tempDir = "/var/tmp/jellyfin";
-                webDir = "/usr/share/jellyfin/wwwroot";
+                webDir = "wwwroot";
                 osComment = "Linux defaults - following Filesystem Hierarchy Standard (FHS)";
             }
             else if (OperatingSystem.IsMacOS())
@@ -161,7 +161,7 @@ public static class StartupHelpers
                 cacheDir = Path.Combine(homeDir, "Library", "Caches", "jellyfin");
                 logDir = Path.Combine(homeDir, "Library", "Logs", "jellyfin");
                 tempDir = Path.Combine(Path.GetTempPath(), "jellyfin");
-                webDir = Path.Combine(homeDir, "Library", "Application Support", "jellyfin", "wwwroot");
+                webDir = "wwwroot";
                 osComment = "macOS defaults - using user Library paths";
             }
             else

Jellyfin.Server/Jellyfin.Server.csproj.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
-    <NameOfLastUsedPublishProfile>D:\Projects\pgsql-jellyfin\Jellyfin.Server\Properties\PublishProfiles\FolderProfile.pubxml</NameOfLastUsedPublishProfile>
+    <NameOfLastUsedPublishProfile>D:\Projects\pgsql-jellyfin\Jellyfin.Server\Properties\PublishProfiles\SelfContained-Win-x64.pubxml</NameOfLastUsedPublishProfile>
   </PropertyGroup>
 </Project>