Removed unused constructor. Added default value for empty commit hash

Moonlight/Core/Services/MoonlightService.cs

@@ -23,12 +23,8 @@ public class MoonlightService
     {
         CoreEvents = coreEvents;
         Logger = logger;
-    }
         
-    public MoonlightService()
-    {
        //TODO: Maybe extract to a method to make this a bit cleaner
-
        if (File.Exists("version"))
        {
            var line = File.ReadAllText("version");

Moonlight/Core/UI/Views/Admin/Sys/Index.razor

@@ -50,7 +50,7 @@
         <div class="col-md-3 col-12">
             @{
                 var commitHashShorted = string.IsNullOrEmpty(MoonlightService.BuildCommitHash) || MoonlightService.BuildCommitHash.Length < 7
-                    ? ""
+                    ? "N/A"
                     : MoonlightService.BuildCommitHash.Substring(0, 7); 
                 
                 // TODO: Add update check (possible during startup, with error handling etc)